URL: https://flat-alert.de/
Submission: On January 12 via automatic, source certstream-suspicious — Scanned from DE

Summary

This website contacted 23 IPs in 3 countries across 20 domains to perform 81 HTTP transactions. The main IP is 199.60.103.171, located in United States and belongs to CLOUDFLARESPECTRUM Cloudflare London, LLC, US. The main domain is flat-alert.de.
TLS certificate: Issued by WE1 on January 12th 2026. Valid for: 3 months.
This is the only time flat-alert.de was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
40 199.60.103.171 209242 (CLOUDFLAR...)
1 172.64.147.188 13335 (CLOUDFLAR...)
1 104.18.41.124 13335 (CLOUDFLAR...)
7 172.217.18.8 15169 (GOOGLE)
1 151.101.194.137 54113 (FASTLY)
1 172.65.208.22 13335 (CLOUDFLAR...)
2 157.240.253.1 32934 (FACEBOOK)
1 104.18.27.50 13335 (CLOUDFLAR...)
1 172.65.255.172 13335 (CLOUDFLAR...)
4 172.65.202.201 13335 (CLOUDFLAR...)
2 172.65.192.122 13335 (CLOUDFLAR...)
1 172.65.236.181 13335 (CLOUDFLAR...)
1 172.65.219.229 13335 (CLOUDFLAR...)
1 172.65.238.60 13335 (CLOUDFLAR...)
1 141.101.90.99 13335 (CLOUDFLAR...)
4 172.65.232.43 13335 (CLOUDFLAR...)
3 157.240.253.35 32934 (FACEBOOK)
1 172.65.198.159 13335 (CLOUDFLAR...)
2 172.217.23.98 15169 (GOOGLE)
2 216.239.32.36 15169 (GOOGLE)
1 142.250.74.202 15169 (GOOGLE)
1 142.251.208.3 15169 (GOOGLE)
2 172.65.240.166 13335 (CLOUDFLAR...)
81 23
Apex Domain
Subdomains
Transfer
40 flat-alert.de
flat-alert.de
2 MB
7 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 44
818 KB
5 hubspot.com
js-eu1.hubspot.com — Cisco Umbrella Rank: 17996
app-eu1.hubspot.com — Cisco Umbrella Rank: 34379
cta-eu1.hubspot.com — Cisco Umbrella Rank: 17971
track-eu1.hubspot.com — Cisco Umbrella Rank: 14289
31 KB
4 hsforms.com
forms-eu1.hsforms.com — Cisco Umbrella Rank: 26495
perf-eu1.hsforms.com — Cisco Umbrella Rank: 18456
3 KB
4 hs-banner.com
js-eu1.hs-banner.com — Cisco Umbrella Rank: 14482
26 KB
3 facebook.com
www.facebook.com — Cisco Umbrella Rank: 127
215 B
2 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2815
2 googlesyndication.com
pagead2.googlesyndication.com — Cisco Umbrella Rank: 133
2 hscollectedforms.net
js-eu1.hscollectedforms.net — Cisco Umbrella Rank: 27128
forms-eu1.hscollectedforms.net — Cisco Umbrella Rank: 27604
26 KB
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 215
125 KB
1 gstatic.com
fonts.gstatic.com
23 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 49
923 B
1 hs-analytics.net
js-eu1.hs-analytics.net — Cisco Umbrella Rank: 14555
42 KB
1 hsadspixel.net
js-eu1.hsadspixel.net — Cisco Umbrella Rank: 20752
4 KB
1 hsforms.net
js-eu1.hsforms.net — Cisco Umbrella Rank: 41806
1 mouseflow.com
cdn.mouseflow.com — Cisco Umbrella Rank: 8918
21 KB
1 hs-scripts.com
js-eu1.hs-scripts.com — Cisco Umbrella Rank: 14091
1008 B
1 jquery.com
code.jquery.com — Cisco Umbrella Rank: 834
30 KB
1 hubspotusercontent-na1.net
7052064.fs1.hubspotusercontent-na1.net — Cisco Umbrella Rank: 14330
699 B
1 fontawesome.com
kit.fontawesome.com — Cisco Umbrella Rank: 2025
81 20
Domain Requested by
40 flat-alert.de flat-alert.de
7 www.googletagmanager.com flat-alert.de
www.googletagmanager.com
4 js-eu1.hs-banner.com flat-alert.de
js-eu1.hs-banner.com
3 www.facebook.com connect.facebook.net
flat-alert.de
3 forms-eu1.hsforms.com flat-alert.de
2 track-eu1.hubspot.com
2 region1.google-analytics.com www.googletagmanager.com
2 pagead2.googlesyndication.com www.googletagmanager.com
2 connect.facebook.net flat-alert.de
connect.facebook.net
1 fonts.gstatic.com fonts.googleapis.com
1 perf-eu1.hsforms.com flat-alert.de
1 fonts.googleapis.com js-eu1.hs-banner.com
1 cta-eu1.hubspot.com js-eu1.hubspot.com
1 forms-eu1.hscollectedforms.net js-eu1.hscollectedforms.net
1 app-eu1.hubspot.com flat-alert.de
1 js-eu1.hs-analytics.net flat-alert.de
1 js-eu1.hsadspixel.net flat-alert.de
1 js-eu1.hubspot.com flat-alert.de
1 js-eu1.hscollectedforms.net flat-alert.de
1 js-eu1.hsforms.net flat-alert.de
1 cdn.mouseflow.com flat-alert.de
1 js-eu1.hs-scripts.com flat-alert.de
1 code.jquery.com flat-alert.de
1 7052064.fs1.hubspotusercontent-na1.net flat-alert.de
1 kit.fontawesome.com flat-alert.de
81 25

This site contains links to these domains. Also see Links.

Domain
www.facebook.com
www.instagram.com
www.linkedin.com
Subject Issuer Validity Valid
b941002c.sni.cloudflaressl.com
WE1
2026-01-12 -
2026-04-12
3 months crt.sh
fontawesome.com
WE1
2025-12-19 -
2026-03-19
3 months crt.sh
hubspotusercontent-na1.net
WE1
2025-12-15 -
2026-03-15
3 months crt.sh
*.google-analytics.com
WE2
2025-12-03 -
2026-02-25
3 months crt.sh
*.jquery.com
Sectigo Public Server Authentication CA DV E36
2025-06-12 -
2026-06-26
a year crt.sh
hs-scripts.com
WE1
2026-01-11 -
2026-04-11
3 months crt.sh
*.facebook.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2025-10-22 -
2026-01-20
3 months crt.sh
cdn.mouseflow.com
WE1
2026-01-08 -
2026-04-08
3 months crt.sh
hsforms.net
WE1
2025-11-27 -
2026-02-25
3 months crt.sh
hs-banner.com
WE1
2026-01-10 -
2026-04-11
3 months crt.sh
hscollectedforms.net
WE1
2026-01-08 -
2026-04-08
3 months crt.sh
hubspot.com
WE1
2025-11-20 -
2026-02-18
3 months crt.sh
hsadspixel.net
WE1
2025-11-27 -
2026-02-25
3 months crt.sh
hs-analytics.net
WE1
2025-11-24 -
2026-02-22
3 months crt.sh
hsforms.com
WE1
2025-12-30 -
2026-03-30
3 months crt.sh
*.g.doubleclick.net
WE2
2025-12-03 -
2026-02-25
3 months crt.sh
upload.video.google.com
WE2
2025-12-03 -
2026-02-25
3 months crt.sh
*.gstatic.com
WE2
2025-12-03 -
2026-02-25
3 months crt.sh

This page contains 2 frames:

Primary Page: https://flat-alert.de/
Frame ID: DBE793346F8D8003A66D8F2DD88737A5
Requests: 79 HTTP requests in this frame

Frame: https://www.googletagmanager.com/static/service_worker/6150/sw_iframe.html?origin=https%3A%2F%2Fflat-alert.de
Frame ID: 73C174175649AAF98D05E96A5A510FC5
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

FlatAlert - hassle free apartment hunting for professionals

Detected technologies

Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • kit\.fontawesome\.com/([0-9a-z]+).js

Overall confidence: 100%
Detected patterns
  • googlesyndication\.com/

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • cdn\.mouseflow\.com

Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

81
Requests

100 %
HTTPS

0 %
IPv6

20
Domains

25
Subdomains

23
IPs

3
Countries

3424 kB
Transfer

6502 kB
Size

6
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

81 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
flat-alert.de/
170 KB
26 KB
Document
General
Full URL
https://flat-alert.de/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
199.60.103.171 , United States, ASN209242 (CLOUDFLARESPECTRUM Cloudflare London, LLC, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8a40520524ceea152a01b79afe1ed549e5efdf08b047ee388b6ca2bd93ade7c5
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
s-maxage=36000, max-age=5
cf-ray
9bcf6f7e8ff37c0a-FRA
content-encoding
br
content-security-policy
upgrade-insecure-requests
content-type
text/html; charset=UTF-8
date
Mon, 12 Jan 2026 20:34:35 GMT
edge-cache-tag
CT-219066082553,P-27117970,CW-74164196064,CW-74164196067,CW-74164196072,CW-74164196080,CW-74165392371,CW-74165392373,CW-74165392572,CW-74165392580,CW-74165392588,CW-74165392595,CW-74165392596,CW-74165392606,CW-84703367154,CW-99528203487,E-74163785693,E-74163785927,E-74164194519,E-74164194550,E-74164195526,E-74164195529,E-74164196026,E-74164196035,E-74164196044,E-74165392353,MENU-74163938537,RA-74165447114,PGS-ALL,SW-0,GC-74875843783,GC-83855426497,TS-74164194799
last-modified
Wed, 07 Jan 2026 08:46:01 GMT
link
<https://flat-alert.de/hubfs/hub_generated/template_assets/1/74164194550/1744337762137/template_spark-style.min.css>; rel=preload; as=style,<https://flat-alert.de/hubfs/hub_generated/module_assets/1/74165392580/1744360342026/module_Hero.min.css>; rel=preload; as=style,<https://flat-alert.de/hubfs/hub_generated/template_assets/1/74164194519/1744337758966/template_icon-box.min.css>; rel=preload; as=style,<https://flat-alert.de/hubfs/hub_generated/module_assets/1/74165392606/1744360363373/module_Icons_with_Text.min.css>; rel=preload; as=style,<https://flat-alert.de/hubfs/hub_generated/module_assets/1/74164196072/1744360320484/module_Callout_Content_Box.min.css>; rel=preload; as=style,<https://flat-alert.de/hubfs/hub_generated/module_assets/1/99528203487/1753304729152/module_Product_Feature.min.css>; rel=preload; as=style,<https://flat-alert.de/hubfs/hub_generated/module_assets/1/74165392596/1744360355620/module_Call_to_Action_Box.min.css>; rel=preload; as=style
referrer-policy
no-referrer-when-downgrade
server
cloudflare
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-hs-cache-config
BrowserCache-5s-EdgeCache-180s
x-hs-cache-control
s-maxage=36000, max-age=0
x-hs-cf-cache-status
HIT
x-hs-cfworker-meta
{"contentType":"SITE_PAGE","resolver":"PreRenderedContentResolver"}
x-hs-content-id
219066082553
x-hs-hub-id
27117970
x-hs-portal-id
27117970
x-hs-prerendered
Wed, 07 Jan 2026 08:46:01 GMT
template_spark-style.min.css
flat-alert.de/hubfs/hub_generated/template_assets/1/74164194550/1744337762137/
200 KB
0
Stylesheet
General
Full URL
https://flat-alert.de/hubfs/hub_generated/template_assets/1/74164194550/1744337762137/template_spark-style.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
199.60.103.171 , United States, ASN209242 (CLOUDFLARESPECTRUM Cloudflare London, LLC, US),
Reverse DNS
Software
cloudflare /
Resource Hash
54b44a69bcd0c8389f6319cdf3d0db51f903e158ecc091dc23d5ba39ba256172

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
content-encoding
br
cf-cache-status
DYNAMIC
etag
W/"17cfcda168fe0cf15ecda6a6da0131ab"
cache-tag
F-227149456620,FD-227148799176,P-27117970,FLS-ALL
access-control-allow-methods
GET
alt-svc
h3=":443"; ma=86400
x-cache
Miss from cloudfront
x-amz-cf-id
3wBYCSGXdG2KVC7_fAODVFCfrjirVBb6BGyzXNDCJK4c4lo3T3d6Rg==
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/css
last-modified
Fri, 11 Apr 2025 02:16:03 GMT
vary
Accept-Encoding
edge-cache-tag
F-227149456620,FD-227148799176,P-27117970,FLS-ALL
cache-control
s-maxage=2592000, max-age=1209600, stale-while-revalidate=900
timing-allow-origin
hubfs.cloudfront.hubspotusercontent-eu1.net
x-hs-portal-id
27117970
x-hs-cfworker-meta
{"resolver":"HubFsResolver"}
via
1.1 fde85e7daa13f95cf6b8f5fa09c62ef6.cloudfront.net (CloudFront)
cf-ray
9bcf6f7eb8347c0a-FRA
access-control-allow-origin
*
x-amz-cf-pop
FRA56-P7
x-hs-alternate-content-type
text/plain
server
cloudflare
module_Hero.min.css
flat-alert.de/hubfs/hub_generated/module_assets/1/74165392580/1744360342026/
5 KB
0
Stylesheet
General
Full URL
https://flat-alert.de/hubfs/hub_generated/module_assets/1/74165392580/1744360342026/module_Hero.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
199.60.103.171 , United States, ASN209242 (CLOUDFLARESPECTRUM Cloudflare London, LLC, US),
Reverse DNS
Software
cloudflare /
Resource Hash
50e7c41a7da91f0eecb3a5c8659c54c396505846123f14c12323f76c92d69de0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
content-encoding
br
cf-cache-status
DYNAMIC
etag
W/"ebd09765c2a6d51fcb54f16e72104cd8"
cache-tag
F-227239118066,FD-227239118058,P-27117970,FLS-ALL
access-control-allow-methods
GET
alt-svc
h3=":443"; ma=86400
x-cache
Miss from cloudfront
x-amz-cf-id
n-PDlVwx6LBxwnjhU3Qj-EtsVFzb6MSpmgn5kMBN7I3XN29gG4ul5g==
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/css
last-modified
Fri, 11 Apr 2025 08:32:23 GMT
vary
Accept-Encoding
edge-cache-tag
F-227239118066,FD-227239118058,P-27117970,FLS-ALL
cache-control
s-maxage=2592000, max-age=1209600, stale-while-revalidate=900
timing-allow-origin
hubfs.cloudfront.hubspotusercontent-eu1.net
x-hs-portal-id
27117970
x-hs-cfworker-meta
{"resolver":"HubFsResolver"}
via
1.1 45144f4effc6db6c846de623ab8b639a.cloudfront.net (CloudFront)
cf-ray
9bcf6f7ec85d7c0a-FRA
access-control-allow-origin
*
x-amz-cf-pop
FRA56-P7
x-hs-alternate-content-type
text/plain
server
cloudflare
template_icon-box.min.css
flat-alert.de/hubfs/hub_generated/template_assets/1/74164194519/1744337758966/
75 B
0
Stylesheet
General
Full URL
https://flat-alert.de/hubfs/hub_generated/template_assets/1/74164194519/1744337758966/template_icon-box.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
199.60.103.171 , United States, ASN209242 (CLOUDFLARESPECTRUM Cloudflare London, LLC, US),
Reverse DNS
Software
cloudflare /
Resource Hash
07c1ccadebec0264442ba9dc3470ef78aa7d65bb446aa1a206953a9ddf20d58b

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
content-encoding
br
cf-cache-status
DYNAMIC
etag
W/"35d9e58c63cc2da8ecf0eb4d5ecf30ea"
cache-tag
F-227090375871,FD-227149455568,P-27117970,FLS-ALL
access-control-allow-methods
GET
alt-svc
h3=":443"; ma=86400
x-cache
Miss from cloudfront
x-amz-cf-id
LHNj52OWrdd9eK4EMmlbQHGlp5PpAkfaoXzgsrJzsasaDIFCK9ifCg==
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/css
last-modified
Fri, 11 Apr 2025 02:16:00 GMT
vary
Accept-Encoding
edge-cache-tag
F-227090375871,FD-227149455568,P-27117970,FLS-ALL
cache-control
s-maxage=2592000, max-age=1209600, stale-while-revalidate=900
timing-allow-origin
hubfs.cloudfront.hubspotusercontent-eu1.net
x-hs-portal-id
27117970
x-hs-cfworker-meta
{"resolver":"HubFsResolver"}
via
1.1 4dd80d99fd5d0f6baaaf5179cd921f72.cloudfront.net (CloudFront)
cf-ray
9bcf6f7ec85e7c0a-FRA
access-control-allow-origin
*
x-amz-cf-pop
FRA56-P7
x-hs-alternate-content-type
text/plain
server
cloudflare
module_Icons_with_Text.min.css
flat-alert.de/hubfs/hub_generated/module_assets/1/74165392606/1744360363373/
2 KB
0
Stylesheet
General
Full URL
https://flat-alert.de/hubfs/hub_generated/module_assets/1/74165392606/1744360363373/module_Icons_with_Text.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
199.60.103.171 , United States, ASN209242 (CLOUDFLARESPECTRUM Cloudflare London, LLC, US),
Reverse DNS
Software
cloudflare /
Resource Hash
90c52adc1087a4e54e355bc9451447d1c6f7333e00be5710a3847764e6ab3306

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
content-encoding
br
cf-cache-status
DYNAMIC
etag
W/"5ddbd959f3ce7419780e813451ebf1e6"
cache-tag
F-227235629283,FD-227235629274,P-27117970,FLS-ALL
access-control-allow-methods
GET
alt-svc
h3=":443"; ma=86400
x-cache
Miss from cloudfront
x-amz-cf-id
qKFCiisAlmSuAL9eOu6dn_Odsrn0WxM-hOoWmwWD2HI0KfsQcsYFCQ==
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/css
last-modified
Fri, 11 Apr 2025 08:32:44 GMT
vary
Accept-Encoding
edge-cache-tag
F-227235629283,FD-227235629274,P-27117970,FLS-ALL
cache-control
s-maxage=2592000, max-age=1209600, stale-while-revalidate=900
timing-allow-origin
hubfs.cloudfront.hubspotusercontent-eu1.net
x-hs-portal-id
27117970
x-hs-cfworker-meta
{"resolver":"HubFsResolver"}
via
1.1 fde85e7daa13f95cf6b8f5fa09c62ef6.cloudfront.net (CloudFront)
cf-ray
9bcf6f7ec85f7c0a-FRA
access-control-allow-origin
*
x-amz-cf-pop
FRA56-P7
x-hs-alternate-content-type
text/plain
server
cloudflare
module_Callout_Content_Box.min.css
flat-alert.de/hubfs/hub_generated/module_assets/1/74164196072/1744360320484/
1 KB
0
Stylesheet
General
Full URL
https://flat-alert.de/hubfs/hub_generated/module_assets/1/74164196072/1744360320484/module_Callout_Content_Box.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
199.60.103.171 , United States, ASN209242 (CLOUDFLARESPECTRUM Cloudflare London, LLC, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5b2939f3ceb2f52ed9f7247216d298d528776eb8c02748e2952fad88f69107a8

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
content-encoding
br
cf-cache-status
DYNAMIC
etag
W/"0c9c2d62d33659f9585ea566499b9411"
cache-tag
F-227235603651,FD-227235602673,P-27117970,FLS-ALL
access-control-allow-methods
GET
alt-svc
h3=":443"; ma=86400
x-cache
Miss from cloudfront
x-amz-cf-id
IApzsZoQ5BY0E60rnxsl6KctiMnqV-LNS5SuAe31PQaiTV3xCJDTNQ==
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/css
last-modified
Fri, 11 Apr 2025 08:32:01 GMT
vary
Accept-Encoding
edge-cache-tag
F-227235603651,FD-227235602673,P-27117970,FLS-ALL
cache-control
s-maxage=2592000, max-age=1209600, stale-while-revalidate=900
timing-allow-origin
hubfs.cloudfront.hubspotusercontent-eu1.net
x-hs-portal-id
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QUIC, , AES_128_GCM
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Request headers

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alt-svc
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Request headers

User-Agent
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Response headers

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alt-svc
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QUIC, , AES_128_GCM
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QUIC, , AES_128_GCM
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Security
QUIC, , AES_128_GCM
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Response headers

cf-cache-status
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alt-svc
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H3
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QUIC, , AES_128_GCM
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Response headers

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expires
Mon, 26 Jan 2026 20:34:36 GMT
alt-svc
h3=":443"; ma=86400
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Miss from cloudfront
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alt-svc
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Request headers

User-Agent
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Referer
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Response headers

access-control-max-age
604800
access-control-expose-headers
x-last-modified-timestamp, X-HubSpot-NotFound, X-HS-User-Request, Link, Server-Timing
content-encoding
gzip
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date
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content-type
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vary
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x-amz-id-2
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access-control-allow-headers
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cache-control
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cf-ray
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access-control-allow-origin
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server
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x-amz-server-side-encryption
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75 KB
26 KB
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General
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https://js-eu1.hscollectedforms.net/collectedforms.js
Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
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Origin
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Response headers

access-control-max-age
3000
content-encoding
gzip
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x-amz-version-id
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cache-tag
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x-content-type-options
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x-hs-cache-status
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x-amz-cf-id
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date
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content-type
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vary
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x-amz-replication-status
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cache-control
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content-security-policy-report-only
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cf-ray
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access-control-allow-origin
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x-amz-cf-pop
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x-amz-server-side-encryption
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95 KB
28 KB
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General
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.236.181 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
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Security Headers
Name Value
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Request headers

User-Agent
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Origin
https://flat-alert.de
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Response headers

access-control-max-age
3000
content-encoding
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cf-cache-status
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x-amz-version-id
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etag
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cache-tag
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report-to
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x-content-type-options
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x-hs-cache-status
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content-type
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vary
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strict-transport-security
max-age=31536000; includeSubDomains; preload
x-amz-replication-status
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cache-control
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content-security-policy-report-only
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cf-ray
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access-control-allow-origin
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x-hs-target-asset
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x-amz-server-side-encryption
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Host: flat-alert.de
URL: https://flat-alert.de/hs/scriptloader/27117970.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
gzip
cf-cache-status
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x-amz-version-id
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etag
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x-content-type-options
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content-type
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vary
accept-encoding
x-amz-replication-status
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cache-control
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via
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cf-ray
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x-amz-cf-pop
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server
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x-amz-server-side-encryption
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107 KB
42 KB
Script
General
Full URL
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Host: flat-alert.de
URL: https://flat-alert.de/hs/scriptloader/27117970.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.238.60 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
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Request headers

User-Agent
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Referer
https://flat-alert.de/

Response headers

x-amz-id-2
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content-encoding
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cf-cache-status
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etag
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cf-ray
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x-amz-request-id
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expires
Mon, 12 Jan 2026 20:39:36 GMT
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/javascript
last-modified
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vary
origin, Accept-Encoding
server
cloudflare
x-amz-server-side-encryption
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827 B
XHR
General
Full URL
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Requested by
Host: flat-alert.de
URL: https://flat-alert.de/hs/hsstatic/HubspotToolsMenu/static-1.432/js/index.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
141.101.90.99 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
reporting-endpoints
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cache-control
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cf-cache-status
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cf-ray
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x-content-type-options
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access-control-allow-origin
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x-hubspot-correlation-id
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vary
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server
cloudflare
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338 KB
122 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/destination?id=AW-flat-alert.de&cx=c&gtm=4e6180
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PST6KL5H
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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Software
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
zstd
report-to
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Mon, 12 Jan 2026 20:34:36 GMT
alt-svc
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date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
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cache-control
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server
Google Tag Manager
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344 KB
124 KB
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General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PST6KL5H
Protocol
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TLS 1.3, , AES_128_GCM
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Software
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
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alt-svc
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date
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content-type
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cache-control
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access-control-allow-origin
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x-xss-protection
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server
Google Tag Manager
js
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502 KB
163 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-575RCRJ7TR&cx=c&gtm=4e6180
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PST6KL5H
Protocol
H2
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TLS 1.3, , AES_128_GCM
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172.217.18.8 , United States, ASN15169 (GOOGLE, US),
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Request headers

User-Agent
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Referer
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Response headers

strict-transport-security
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cache-control
private, max-age=900
content-encoding
zstd
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
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expires
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access-control-allow-origin
*
alt-svc
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x-xss-protection
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content-type
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access-control-allow-headers
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764 B
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Requested by
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Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
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alt-svc
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vary
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764 B
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Request headers

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Referer
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Response headers

x-robots-tag
none
access-control-expose-headers
X-Origin-Hublet
cf-cache-status
DYNAMIC
x-content-type-options
nosniff
alt-svc
h3=":443"; ma=86400
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x-hubspot-correlation-id
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vary
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CF-RAY
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385 B
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Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Accept
application/json, text/plain, */*
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https://flat-alert.de/

Response headers

x-robots-tag
none
access-control-max-age
180
cache-control
max-age=0
content-encoding
br
cf-cache-status
DYNAMIC
x-content-type-options
nosniff
access-control-allow-methods
GET, OPTIONS, PUT, POST, DELETE, PATCH, HEAD
cf-ray
9bcf6f83ef03a41e-FRA
access-control-allow-origin
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date
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x-hubspot-correlation-id
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content-type
application/json;charset=utf-8
vary
Accept-Encoding
server
cloudflare
access-control-allow-headers
*
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www.facebook.com/privacy_sandbox/topics/registration/
67 B
0
Fetch
General
Full URL
https://www.facebook.com/privacy_sandbox/topics/registration/?id=911917773841272
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/signals/config/911917773841272?v=2.9.248&r=stable&domain=flat-alert.de&hme=17590b9a2e1b26755cdc9ecb401f9f46bca979d3ccce95d786db0936167af731&ex_m=94%2C156%2C134%2C20%2C67%2C68%2C127%2C63%2C43%2C128%2C72%2C62%2C10%2C141%2C80%2C15%2C93%2C28%2C122%2C115%2C70%2C73%2C121%2C138%2C102%2C143%2C7%2C3%2C4%2C6%2C5%2C2%2C81%2C91%2C144%2C224%2C167%2C57%2C226%2C227%2C50%2C183%2C27%2C69%2C232%2C231%2C170%2C30%2C56%2C9%2C59%2C87%2C88%2C89%2C95%2C118%2C29%2C26%2C120%2C117%2C116%2C135%2C71%2C137%2C136%2C45%2C55%2C111%2C14%2C140%2C40%2C213%2C215%2C177%2C23%2C24%2C25%2C17%2C18%2C39%2C35%2C37%2C36%2C76%2C82%2C86%2C100%2C126%2C129%2C41%2C101%2C21%2C19%2C107%2C64%2C33%2C131%2C130%2C132%2C123%2C22%2C32%2C54%2C99%2C139%2C65%2C16%2C133%2C104%2C31%2C193%2C163%2C284%2C211%2C154%2C196%2C189%2C164%2C97%2C119%2C75%2C109%2C49%2C44%2C103%2C42%2C108%2C114%2C53%2C60%2C113%2C48%2C51%2C47%2C90%2C142%2C0%2C112%2C13%2C110%2C11%2C1%2C52%2C83%2C58%2C61%2C106%2C79%2C78%2C145%2C146%2C84%2C85%2C8%2C92%2C46%2C124%2C77%2C74%2C66%2C105%2C96%2C38%2C125%2C34%2C98%2C12%2C147
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H3
Security
QUIC, , AES_128_GCM
Server
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Reverse DNS
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Software
/
Resource Hash
Security Headers
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X-Content-Type-Options nosniff
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Request headers

User-Agent
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Referer
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Response headers

access-control-expose-headers
X-FB-Debug, X-Loader-Length, X-Stack, Error-MID
content-encoding
zstd
report-to
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x-content-type-options
nosniff
observe-browsing-topics
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access-control-allow-methods
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alt-svc
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strict-transport-security
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cross-origin-opener-policy
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pragma
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permissions-policy
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document-policy
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access-control-allow-origin
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x-xss-protection
0
origin-agent-cluster
?1
/
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0
19 B
Image
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Full URL
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Requested by
Host: flat-alert.de
URL: https://flat-alert.de/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
157.240.253.35 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
edge-star-mini-shv-02-fra5.facebook.com
Software
proxygen-bolt /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=6, rtx=0, c=23, mss=1232, tbw=4757, tp=9, tpl=0, uplat=1, ullat=1
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
access-control-allow-origin
alt-svc
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content-length
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date
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content-type
text/plain
server
proxygen-bolt
priority
u=3,i
/
www.facebook.com/privacy_sandbox/pixel/register/trigger/
67 B
196 B
Image
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Requested by
Host: flat-alert.de
URL: https://flat-alert.de/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
157.240.253.35 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
edge-star-mini-shv-02-fra5.facebook.com
Software
/
Resource Hash
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Security Headers
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Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

User-Agent
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Referer
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Response headers

content-encoding
zstd
report-to
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x-content-type-options
nosniff
expires
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alt-svc
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date
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content-type
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priority
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x-frame-options
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strict-transport-security
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reporting-endpoints
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content-security-policy
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cross-origin-opener-policy
same-origin-allow-popups
pragma
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cross-origin
permissions-policy
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document-policy
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x-xss-protection
0
origin-agent-cluster
?1
cf-location
js-eu1.hs-banner.com/v2/
5 B
148 B
Fetch
General
Full URL
https://js-eu1.hs-banner.com/v2/cf-location
Requested by
Host: js-eu1.hs-banner.com
URL: https://js-eu1.hs-banner.com/v2/27117970/banner.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.202.201 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
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Referer
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Response headers

cache-control
private, max-age=1500
cf-ray
9bcf6f841c9f8fda-FRA
access-control-allow-origin
*
content-length
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date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/plain;charset=UTF-8
vary
Accept-Encoding
server
cloudflare
combinedConfigs
cta-eu1.hubspot.com/web-interactives/public/v1/embed/
61 B
1 KB
Fetch
General
Full URL
https://cta-eu1.hubspot.com/web-interactives/public/v1/embed/combinedConfigs?portalId=27117970&currentUrl=https%3A%2F%2Fflat-alert.de%2F&contentId=219066082553
Requested by
Host: js-eu1.hubspot.com
URL: https://js-eu1.hubspot.com/web-interactives-embed.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.198.159 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
noindex, follow
access-control-max-age
180
content-encoding
br
cf-cache-status
DYNAMIC
report-to
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x-content-type-options
nosniff
access-control-allow-methods
OPTIONS, GET
date
Mon, 12 Jan 2026 20:34:36 GMT
x-hubspot-correlation-id
4c609183-1b53-4423-8ac1-b95ee2859879
content-type
application/json;charset=utf-8
vary
origin
access-control-allow-headers
Accept, Accept-Charset, Accept-Encoding, Accept-Language, Content-Type, Host, Origin, Referer, User-Agent
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
max-age=0, no-cache, no-store
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
access-control-allow-credentials
true
cf-ray
9bcf6f844aecdc4f-FRA
access-control-allow-origin
https://flat-alert.de
server
cloudflare
counters.gif
forms-eu1.hsforms.com/embed/v3/
35 B
605 B
Image
General
Full URL
https://forms-eu1.hsforms.com/embed/v3/counters.gif?key=collected-forms-embed-js-form-bind&count=1
Requested by
Host: flat-alert.de
URL: https://flat-alert.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
172.65.232.43 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
access-control-expose-headers
X-Origin-Hublet
cf-cache-status
DYNAMIC
x-content-type-options
nosniff
alt-svc
h3=":443"; ma=86400
Date
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x-hubspot-correlation-id
a5f93090-bcc9-4712-b602-9231a2813343
Content-Type
image/gif
vary
origin
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
Cache-Control
max-age=0, no-cache, no-store
Connection
keep-alive
access-control-allow-credentials
false
CF-RAY
9bcf6f860cca9034-FRA
Content-Length
35
Server
cloudflare
view
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0
0
Preflight
General
Full URL
https://js-eu1.hs-banner.com/v2/activity/view
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.202.201 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://flat-alert.de
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
Origin, X-Requested-With, Content-Type, Accept, Accept-Charset, Accept-Encoding, X-Override-Internal-Permissions, X-Properties-Source, X-Properties-SourceId, X-Properties-Flag, X-Hubspot-User-Id, X-Hubspot-Trace, X-Hubspot-Callee, X-Hubspot-Offset, X-Hubspot-No-Trace, X-HubSpot-Static-App-Info, X-HubSpot-Messages-Uri, X-HubSpot-Request-Source, X-HubSpot-Request-Reason, Subscription-Billing-Auth-Token, X-App-CSRF, X-Tools-CSRF, Online-Payment-Signing-UUID, X-Source, X-SourceId, X-Origin-UserId, X-Biden-Request-Source, X-HubSpot-CSRF-hubspotapi, X-Force-Cookie-Refresh, X-Force-Cookie-Refresh-No-Cache, X-HS-User-Request, X-Application-Id, X-HS-Referer, X-HubSpot-Correlation-Id
access-control-allow-methods
GET, OPTIONS, PUT, POST, DELETE, PATCH, HEAD
access-control-allow-origin
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access-control-expose-headers
x-last-modified-timestamp, X-HubSpot-NotFound, X-HS-User-Request, Link, Server-Timing
access-control-max-age
604800
cf-cache-status
DYNAMIC
cf-ray
9bcf6f848d068fda-FRA
content-length
0
content-type
application/octet-stream
date
Mon, 12 Jan 2026 20:34:36 GMT
server
cloudflare
timing-allow-origin
*
vary
origin
collect
pagead2.googlesyndication.com/ccm/
0
0
Fetch
General
Full URL
https://pagead2.googlesyndication.com/ccm/collect?frm=0&en=page_view&dl=https%3A%2F%2Fflat-alert.de%2F&scrsrc=www.googletagmanager.com&rnd=1469159543.1768250077&navt=n&npa=1&gdid=dZTQ1Zm&gtm=45He6180v9191143251za200zd9191143251xea&gcs=G100&gcd=13q3q3q2q5l1&dma_cps=-&dma=1&tag_exp=103116026~103200004~104527907~104528500~104684208~104684211~105391253~115616985~115938466~115938469~116514483&tft=1768250076850&tfd=960&apve=1&apvf=f
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PST6KL5H
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.217.23.98 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
mil04s23-in-f2.1e100.net
Software
/
Resource Hash

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

collect
region1.google-analytics.com/g/
0
0
Fetch
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-259293286&gtm=45je6180h1za200zb9191143251zd9191143251&_p=1768250076197&gcs=G100&gcd=13q3q3q2q5l1&npa=1&dma_cps=-&dma=1&gdid=dZTQ1Zm&cid=350401956.1768250077&ul=de-de&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=denied&_s=1&tag_exp=103116026~103200004~104527907~104528501~104684208~104684211~105391252~115938466~115938468~116514483&sid=1768250076&sct=1&seg=0&dl=https%3A%2F%2Fflat-alert.de%2F&dt=FlatAlert%20-%20hassle%20free%20apartment%20hunting%20for%20professionals&_tu=CA&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=971
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-259293286
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
216.239.32.36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:112:0
report-to
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expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://flat-alert.de
cross-origin-opener-policy-report-only
same-origin; report-to=ascnsrsggc:112:0
content-length
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/plain
server
Golfe2
collect
region1.google-analytics.com/g/
0
0
Fetch
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-575RCRJ7TR&gtm=45je6180v9103953731za200zb9191143251zd9191143251&_p=1768250076197&gcs=G100&gcd=13q3qPq2q5l1&npa=1&dma_cps=-&dma=1&gdid=dZTQ1Zm&cid=350401956.1768250077&ul=de-de&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=denied&_s=1&tag_exp=103116026~103200004~104527907~104528500~104684208~104684211~105391253~115616986~115938466~115938468~116514483&sid=1768250076&sct=1&seg=0&dl=https%3A%2F%2Fflat-alert.de%2F&dt=FlatAlert%20-%20hassle%20free%20apartment%20hunting%20for%20professionals&_tu=CA&en=page_view&_fv=1&_ss=1&_ee=1&tfd=979
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-575RCRJ7TR
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
216.239.32.36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:112:0
report-to
{"group":"ascnsrsggc:112:0","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsggc:112:0"}],}
expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://flat-alert.de
cross-origin-opener-policy-report-only
same-origin; report-to=ascnsrsggc:112:0
content-length
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/plain
server
Golfe2
/
pagead2.googlesyndication.com/pagead/conversion/flat-alert.de/
0
0
Fetch
General
Full URL
https://pagead2.googlesyndication.com/pagead/conversion/flat-alert.de/?random=1768250076812&cv=11&fst=1768250076812&bg=ffffff&guid=ON&async=1&en=conversion&gtm=45be6180z89191143251za20gzb9191143251zd9191143251xea&gcs=G100&gcd=13q3q3q2q5l1&dma_cps=-&dma=1&tag_exp=103116026~103200004~104527907~104528500~104684208~104684211~105391252~115616986~115938466~115938468~116514483~116988316&u_w=1600&u_h=1200&url=https%3A%2F%2Fflat-alert.de%2F&label=page_view&frm=0&tiba=FlatAlert%20-%20hassle%20free%20apartment%20hunting%20for%20professionals&gdid=dZTQ1Zm&bttype=purchase&value=0&hn=www.googleadservices.com&npa=1&pscdl=denied&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_tu=CA&vdnc=true&fmt=8
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/destination?id=AW-flat-alert.de&cx=c&gtm=4e6180
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.217.23.98 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
mil04s23-in-f2.1e100.net
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

cache-control
no-cache, must-revalidate
timing-allow-origin
*
pragma
no-cache
cross-origin-resource-policy
cross-origin
x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://flat-alert.de
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
content-length
0
date
Mon, 12 Jan 2026 20:34:36 GMT
x-xss-protection
0
content-type
text/html; charset=UTF-8
server
cafe
css2
fonts.googleapis.com/
2 KB
923 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;1,400&display=swap
Requested by
Host: js-eu1.hs-banner.com
URL: https://js-eu1.hs-banner.com/v2/27117970/banner.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
142.250.74.202 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
ESF /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

content-encoding
gzip
x-content-type-options
nosniff
expires
Mon, 12 Jan 2026 20:34:36 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Mon, 12 Jan 2026 20:34:36 GMT
content-type
text/css; charset=utf-8
vary
Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified
Mon, 12 Jan 2026 19:55:59 GMT
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
cross-origin-opener-policy
same-origin-allow-popups
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
x-xss-protection
0
server
ESF
view
js-eu1.hs-banner.com/v2/activity/
0
0
Fetch
General
Full URL
https://js-eu1.hs-banner.com/v2/activity/view
Requested by
Host: js-eu1.hs-banner.com
URL: https://js-eu1.hs-banner.com/v2/27117970/banner.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.202.201 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Content-Type
application/json
Referer
https://flat-alert.de/

Response headers

x-request-id
10162492-a9b4-4505-8397-e47fc7677664
access-control-max-age
604800
access-control-expose-headers
x-last-modified-timestamp, X-HubSpot-NotFound, X-HS-User-Request, Link, Server-Timing
cf-cache-status
DYNAMIC
x-content-type-options
nosniff
access-control-allow-methods
GET, OPTIONS, PUT, POST, DELETE, PATCH, HEAD
x-evy-trace-listener
listener_http
date
Mon, 12 Jan 2026 20:34:36 GMT
x-hubspot-correlation-id
10162492-a9b4-4505-8397-e47fc7677664
vary
origin
access-control-allow-headers
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x-evy-trace-route-service-name
envoyset-translator
x-evy-trace-served-by-pod
fra04/private-hubapi-td/envoy-proxy-79f4d9df-sqlzj
timing-allow-origin
*
x-envoy-upstream-service-time
14
access-control-allow-credentials
true
cf-ray
9bcf6f84bd1b8fda-FRA
access-control-allow-origin
https://flat-alert.de
x-evy-trace-route-configuration
listener_http/all
server
cloudflare
x-evy-trace-virtual-host
all
sw_iframe.html
www.googletagmanager.com/static/service_worker/6150/ Frame 73C1
3 KB
2 KB
Document
General
Full URL
https://www.googletagmanager.com/static/service_worker/6150/sw_iframe.html?origin=https%3A%2F%2Fflat-alert.de
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PST6KL5H
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.217.18.8 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra15s28-in-f8.1e100.net
Software
sffe /
Resource Hash
2ada301d803d8f4b2ba210c9c57091378255ed54b96e4236a9e2ce587a2a4035
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
age
10071
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
public, max-age=31536000
content-encoding
br
content-length
1486
content-type
text/html
cross-origin-opener-policy
same-origin; report-to="analytics-container-tag-serving"
cross-origin-resource-policy
cross-origin
date
Mon, 12 Jan 2026 17:46:45 GMT
expires
Tue, 12 Jan 2027 17:46:45 GMT
last-modified
Mon, 05 Jan 2026 09:38:00 GMT
report-to
{"group":"analytics-container-tag-serving","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/analytics-container-tag-serving"}]}
server
sffe
service-worker-allowed
/static/service_worker
vary
Accept-Encoding
x-content-type-options
nosniff
x-xss-protection
0
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perf-eu1.hsforms.com/embed/v3/
35 B
687 B
Image
General
Full URL
https://perf-eu1.hsforms.com/embed/v3/counters.gif?key=config-loaded-success&value=1
Requested by
Host: flat-alert.de
URL: https://flat-alert.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
172.65.232.43 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
access-control-expose-headers
X-Origin-Hublet
CF-Cache-Status
MISS
x-content-type-options
nosniff
alt-svc
h3=":443"; ma=86400
Date
Mon, 12 Jan 2026 20:34:37 GMT
x-hubspot-correlation-id
dcb80009-ebd1-43b4-8c5d-0eaf2bea935f
Content-Type
image/gif
vary
origin, Accept-Encoding
Last-Modified
Mon, 12 Jan 2026 20:34:37 GMT
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
Cache-Control
max-age=0, no-cache, no-store
Connection
keep-alive
access-control-allow-credentials
false
CF-RAY
9bcf6f853cf5c0b5-FRA
Accept-Ranges
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Content-Length
35
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cloudflare
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fonts.gstatic.com/s/lato/v25/
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23 KB
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General
Full URL
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Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;1,400&display=swap
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.208.3 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
lcfraa-bp-in-f3.1e100.net
Software
sffe /
Resource Hash
918b7dc3e2e2d015c16ce08b57bcb64d2253bafc1707658f361e72865498e537
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Origin
https://flat-alert.de
Referer
https://fonts.googleapis.com/

Response headers

age
488149
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options
nosniff
expires
Thu, 07 Jan 2027 04:58:48 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Wed, 07 Jan 2026 04:58:48 GMT
last-modified
Mon, 15 Sep 2025 17:09:41 GMT
content-type
font/woff2
cache-control
public, max-age=31536000
timing-allow-origin
*
cross-origin-opener-policy
same-origin; report-to="apps-themes"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
accept-ranges
bytes
access-control-allow-origin
*
content-length
23580
x-xss-protection
0
server
sffe
__ptq.gif
track-eu1.hubspot.com/
45 B
357 B
Image
General
Full URL
https://track-eu1.hubspot.com/__ptq.gif?k=1&sd=1600x1200&cd=24-bit&cs=UTF-8&ln=de-de&bfp=77c3d782085ec77b117046ce5c10a217&v=1.1&a=27117970&pi=219066082553&ct=standard-page&ccu=https%3A%2F%2Fflat-alert.de&cpi=219066082553&lpi=219066082553&lvi=219066082553&lvc=en&pu=https%3A%2F%2Fflat-alert.de%2F&t=FlatAlert+-+hassle+free+apartment+hunting+for+professionals&cts=1768250077167&rv=1&vi=d4b50e10f6fcbe2d1441085d8c59c71c&nc=true&ce=false&cc=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.240.166 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
dc111a70984a9eda00752b06277113029ef288f1125c31eff2477413e15e8aa4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
cf-cache-status
MISS
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=B9buttH6nUYWba%2FToB6yA%2FDATBz%2F6gQ793%2BCcg7gSHNCBVBAcS32QWfoc0wzA%2FTrVuYx7tBqTmjWIs2b4kqOxFcAg6Pldg2icGrnASdsUgOZcI7alPjuJOO2Mv%2BxpUZl0nt9Qgft2w%3D%3D"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
p3p
CP="NOI CUR ADM OUR NOR STA NID"
date
Mon, 12 Jan 2026 20:34:37 GMT
x-hubspot-correlation-id
ad19667b-94cb-411b-b550-766fc9b03b59
content-type
image/gif
last-modified
Mon, 12 Jan 2026 20:34:37 GMT
vary
origin, Accept-Encoding
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
no-cache, no-store, no-transform
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
access-control-allow-credentials
false
cf-ray
9bcf6f86ad65e5da-FRA
accept-ranges
bytes
content-length
45
server
cloudflare
__ptq.gif
track-eu1.hubspot.com/
45 B
702 B
Image
General
Full URL
https://track-eu1.hubspot.com/__ptq.gif?k=15&fi=d8440cc7-e4d2-4030-adb1-94c6d0860d53&fci=777455d8-98a0-4062-b635-438500fecad5&ft=0&sd=1600x1200&cd=24-bit&cs=UTF-8&ln=de-de&bfp=77c3d782085ec77b117046ce5c10a217&v=1.1&a=27117970&pi=219066082553&ct=standard-page&ccu=https%3A%2F%2Fflat-alert.de&cpi=219066082553&lpi=219066082553&lvi=219066082553&lvc=en&pu=https%3A%2F%2Fflat-alert.de%2F&t=FlatAlert+-+hassle+free+apartment+hunting+for+professionals&cts=1768250077168&rv=1&vi=d4b50e10f6fcbe2d1441085d8c59c71c&nc=true&ce=false&cc=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.65.240.166 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
dc111a70984a9eda00752b06277113029ef288f1125c31eff2477413e15e8aa4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
none
cf-cache-status
MISS
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=etA5eY5BeT3bdo6mvt1M%2BEqGkA6Fk1HLNrAhmSKn5EC09kLeOSdvy4xE5qNEsZHgLl8MVL9E23jrBLdkfF%2FVq9UDm%2BDKyfhrXJP36uCbMyDAFOrAK17DYHVt6S5lV%2FacvtuiAa2FHw%3D%3D"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
p3p
CP="NOI CUR ADM OUR NOR STA NID"
date
Mon, 12 Jan 2026 20:34:37 GMT
x-hubspot-correlation-id
860416a2-b143-46b4-b5d8-5da2a519959c
content-type
image/gif
last-modified
Mon, 12 Jan 2026 20:34:37 GMT
vary
origin, Accept-Encoding
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
no-cache, no-store, no-transform
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
access-control-allow-credentials
false
cf-ray
9bcf6f86ad67e5da-FRA
accept-ranges
bytes
content-length
45
server
cloudflare
FlatAlert%20logo.png
flat-alert.de/hubfs/
34 KB
34 KB
Other
General
Full URL
https://flat-alert.de/hubfs/FlatAlert%20logo.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
199.60.103.171 , United States, ASN209242 (CLOUDFLARESPECTRUM Cloudflare London, LLC, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2faca06fbfc368af31c923b466b0766b81f6a83b144294a8383d8cc2d65c4e46
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Referer
https://flat-alert.de/

Response headers

x-robots-tag
all
cf-cache-status
DYNAMIC
etag
"908a0e76ff91cec06944d834f2cfe847"
cache-tag
F-186980249830,P-27117970,FLS-ALL
access-control-allow-methods
GET
alt-svc
h3=":443"; ma=86400
x-cache
Miss from cloudfront
x-amz-cf-id
A8TkUYrLC_fh2CGKaY3kwbeiqDUK2uf4VtIkp4C2DoWe91temwRa0g==
date
Mon, 12 Jan 2026 20:34:37 GMT
content-type
image/png
last-modified
Sat, 09 Nov 2024 12:49:00 GMT
vary
Accept-Encoding
priority
u=1,i
server-timing
cfExtPri
strict-transport-security
max-age=31536000
edge-cache-tag
F-186980249830,P-27117970,FLS-ALL
cache-control
s-maxage=2592000, max-age=1209600, stale-while-revalidate=900
timing-allow-origin
hubfs.cloudfront.hubspotusercontent-eu1.net
x-hs-portal-id
27117970
x-hs-cfworker-meta
{"resolver":"HubFsResolver"}
via
1.1 a5010656f4f762c0fdffac3448496b86.cloudfront.net (CloudFront)
cf-ray
9bcf6f8659a8eded-FRA
accept-ranges
bytes
access-control-allow-origin
*
content-length
34520
x-amz-cf-pop
FRA56-P7
x-hs-alternate-content-type
text/plain
server
cloudflare

Verdicts & Comments Add Verdict or Comment

53 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 object| _hsp function| gtag boolean| useGoogleConsentModeV2 number| waitForUpdateMillis object| dataLayer boolean| _hsGoogleConsentRunOnce function| fbq function| _fbq object| _mfq function| $ function| jQuery function| hsjQuery object| hsVars function| hs_i18n_log function| hs_i18n_substituteStrings function| hs_i18n_insertPlaceholders function| hs_i18n_getMessage object| hubspot object| HubSpotForms object| hbspt object| hsFormsOnReady object| options object| _hsq object| sparkUtility boolean| mouseflowDisableKeyLogging object| mouseflowHeatmap object| mouseflow object| google_tag_manager object| google_tag_data function| onYouTubeIframeAPIReady boolean| PIXELS_RAN object| enabledEventSettings object| __hsCollectedFormsDebug object| hsCtasOnReady object| __PRIVATE__HubspotCtaClient object| hsCallsToActionsReady object| __hsWebInteractiveInstance boolean| hubspot_web_interactives_running object| hsCookieBanner boolean| _hspb_loaded boolean| _hspb_ran object| hsConversationsOnReady object| HubSpotCallsToActions object| gaGlobal boolean| google-font-injected function| sanitizeKey boolean| _hstc_loaded boolean| _hstc_ran string| __hsUserToken number| expireDateTime

6 Cookies

Domain/Path Name / Value
.flat-alert.de/ Name: __cf_bm
Value: N_PFwr2oltyV5N9WSaooFVkMvfAB3pqIsNg96PSzz_g-1768250076-1.0.1.1-RkWuqHoFZ3cTu_YXLA0qy6fxBW53DPtaSjLbFxoUIGZaRWOE1mkcVMA6cwITRtvEGONW2fNSfn8KVPGpBzDADIW47o0pPeAb1rc3uBSLJWo
.flat-alert.de/ Name: _cfuvid
Value: n4J8AnloMnlHIhfpPK7wWzZxwHDzUIChVp7rIbFNsRo-1768250076098-0.0.1.1-604800000
.hubspot.com/ Name: __cf_bm
Value: I82lVKinoX6T395qtwoE0XYDNV_o9CCG8pt5JfIpNk4-1768250076-1.0.1.1-Rv4moPzpvUW.gQaFaNX0sTnWhkkPV3B1suw35e13y0xxdLxHhirRsTpcakvq0svIvB65BViUZF48w4nmJ_HeAEd6gbAt12mLoMVGzTm0Mqw
.hubspot.com/ Name: _cfuvid
Value: CUO0nitDg4HJDpLjkF6iKT9PRIdTJh90YTCOg9bqA3Q-1768250076747-0.0.1.1-604800000
.flat-alert.de/ Name: _fbp
Value: fb.1.1768250076776.546727048621356570
.hsforms.com/ Name: _cfuvid
Value: f9UcbI0dK8diH0SJ0V9yy7mlVxVKYw.d3Pd_eIA7e2s-1768250076780-0.0.1.1-604800000

2 Console Messages

Source Level URL
Text
network error URL: https://kit.fontawesome.com/f4952dc142.js
Message:
Failed to load resource: the server responded with a status of 403 ()
rendering warning URL: https://flat-alert.de/
Message:
[GroupMarkerNotSet(crbug.com/242999)!:A0008C0F04310000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader (about:flags#enable-unsafe-swiftshader) flag to opt in to lower security guarantees for trusted content.

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

7052064.fs1.hubspotusercontent-na1.net
app-eu1.hubspot.com
cdn.mouseflow.com
code.jquery.com
connect.facebook.net
cta-eu1.hubspot.com
flat-alert.de
fonts.googleapis.com
fonts.gstatic.com
forms-eu1.hscollectedforms.net
forms-eu1.hsforms.com
js-eu1.hs-analytics.net
js-eu1.hs-banner.com
js-eu1.hs-scripts.com
js-eu1.hsadspixel.net
js-eu1.hscollectedforms.net
js-eu1.hsforms.net
js-eu1.hubspot.com
kit.fontawesome.com
pagead2.googlesyndication.com
perf-eu1.hsforms.com
region1.google-analytics.com
track-eu1.hubspot.com
www.facebook.com
www.googletagmanager.com
104.18.27.50
104.18.41.124
141.101.90.99
142.250.74.202
142.251.208.3
151.101.194.137
157.240.253.1
157.240.253.35
172.217.18.8
172.217.23.98
172.64.147.188
172.65.192.122
172.65.198.159
172.65.202.201
172.65.208.22
172.65.219.229
172.65.232.43
172.65.236.181
172.65.238.60
172.65.240.166
172.65.255.172
199.60.103.171
216.239.32.36
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2ada301d803d8f4b2ba210c9c57091378255ed54b96e4236a9e2ce587a2a4035
2e095c77cbc278604a08136ba272382190c0c7a12a26777a33ca20fafbb59186
2faca06fbfc368af31c923b466b0766b81f6a83b144294a8383d8cc2d65c4e46
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