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regex101.com Open in urlscan Pro
2a01:4f8:1c1c:13a4::1  Public Scan

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Submitted URL: http://regex101.com/
Effective URL: https://regex101.com/
Submission: On April 23 via manual from IS — Scanned from IS
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 2 countries across 4 domains to perform 15 HTTP transactions. The main IP is 2a01:4f8:1c1c:13a4::1, located in Gunzenhausen, Germany and belongs to HETZNER-AS, DE. The main domain is regex101.com. The Cisco Umbrella rank of the primary domain is 132687.
TLS certificate: Issued by R3 on March 31st 2024. Valid for: 3 months.
This is the only time regex101.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
8 2a01:4f8:1c1c... 24940 (HETZNER-AS)
1 2a00:1450:400... 15169 (GOOGLE)
2 195.201.221.111 24940 (HETZNER-AS)
2 2a00:1450:400... 15169 (GOOGLE)
2 152.42.150.143 14061 (DIGITALOC...)
15 6
8    2a01:4f8:1c1c:13a4::1 (Gunzenhausen, Germany)

ASN24940 (HETZNER-AS, DE)
regex101.com
1    2a00:1450:4001:830::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    195.201.221.111 (Gunzenhausen, Germany)

ASN24940 (HETZNER-AS, DE)
PTR: static.111.221.201.195.clients.your-server.de
analytics.regex101.com
2    2a00:1450:4001:81d::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
2    152.42.150.143 (Amsterdam, Netherlands)

ASN14061 (DIGITALOCEAN-ASN, US)
srv.buysellads.com
Apex Domain
Subdomains		 Transfer
10 regex101.com
regex101.com — Cisco Umbrella Rank: 132687
analytics.regex101.com — Cisco Umbrella Rank: 234637
284 KB
2 buysellads.com
srv.buysellads.com — Cisco Umbrella Rank: 22991
25 KB
2 gstatic.com
fonts.gstatic.com
69 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 33
3 KB
15 4
Domain Requested by
8 regex101.com regex101.com
2 srv.buysellads.com regex101.com
2 fonts.gstatic.com fonts.googleapis.com
2 analytics.regex101.com regex101.com
analytics.regex101.com
1 fonts.googleapis.com regex101.com
15 5

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

Domain
srv.buysellads.com
discover.buysellads.com
Subject Issuer Validity Valid
regex101.com
R3		 2024-03-31 -
2024-06-29		 3 months crt.sh
upload.video.google.com
GTS CA 1C3		 2024-03-18 -
2024-06-10		 3 months crt.sh
analytics.regex101.com
R3		 2024-03-19 -
2024-06-17		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2024-03-18 -
2024-06-10		 3 months crt.sh
*.buysellads.com
R3		 2024-04-04 -
2024-07-03		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://regex101.com/
Frame ID: 6F5B30EF2E58C6DD3AB87761654E6834
Requests: 16 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

regex101: build, test, and debug regex

Page URL History Show full URLs

  1. http://regex101.com/ HTTP 307
    https://regex101.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Page Statistics

15
Requests

100 %
HTTPS

60 %
IPv6

4
Domains

5
Subdomains

6
IPs

2
Countries

381 kB
Transfer

1243 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://regex101.com/ HTTP 307
    https://regex101.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

15 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
regex101.com/
Redirect Chain
  • http://regex101.com/
  • https://regex101.com/
55 KB
12 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
3387504354bc57decb679b905d7e9fd8c5bf87e43dc1116764674f645992a06c
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Accept-Language
is-IS,is;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

content-encoding
br
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
content-type
text/html; charset=utf-8
date
Tue, 23 Apr 2024 12:05:31 GMT
etag
W/"dd58-FJp63rjVF+4haCUTdD/i/EBcEw4"
referrer-policy
no-referrer-when-downgrade
server
nginx
service-worker-allowed
/
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Accept-Encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://regex101.com/
Non-Authoritative-Reason
HSTS
css2
fonts.googleapis.com/ 		36 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;1,400&family=Source+Code+Pro:wght@400;500;700&display=swap
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
dd7f9415c55b92d27b348c72354348b506a82d7ace26a1ee175f46caa19e079e
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

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Tue, 23 Apr 2024 12:05:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Tue, 23 Apr 2024 11:55:36 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Tue, 23 Apr 2024 12:05:32 GMT
plausible.js
analytics.regex101.com/js/ 		1 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://analytics.regex101.com/js/plausible.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
195.201.221.111 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
static.111.221.201.195.clients.your-server.de
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
021f0fd27042b279a49e982215c6dc3c3ab84e95b35553a119dfdbd50af6be94
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Tue, 23 Apr 2024 12:05:32 GMT
x-content-type-options
nosniff
Server
nginx/1.18.0 (Ubuntu)
Content-Type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=86400, must-revalidate
cross-origin-resource-policy
cross-origin
Connection
keep-alive
Content-Length
1346
vendors-quickref.7842f170c62851fa8d94.chunk.js
regex101.com/static/ 		981 B
907 B 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/vendors-quickref.7842f170c62851fa8d94.chunk.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
4ce49cd4af28082594d599982859362322decda97203582a56d3490ba3135ad0
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 23 Apr 2024 12:05:31 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
449
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 26 Mar 2024 22:27:51 GMT
server
nginx
etag
"66034be7-1c1"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 23 Apr 2025 12:05:31 GMT
67.36ecda0d643757bae2b3.css
regex101.com/static/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/67.36ecda0d643757bae2b3.css
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
61e89f20ed662f89ec23dade59bdf41d7f90aaa01724243ee2dea3b3e35310f4
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 23 Apr 2024 12:05:31 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
788
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 26 Mar 2024 22:27:51 GMT
server
nginx
etag
"66034be7-314"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
cache-control
max-age=31536000
expires
Wed, 23 Apr 2025 12:05:31 GMT
quickref.9edb9f69df131b9af19f.chunk.js
regex101.com/static/ 		114 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/quickref.9edb9f69df131b9af19f.chunk.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
7602d4b0a729cb5845a70b6a5e47e194cfc83220edcba8ba76daa654babee040
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 23 Apr 2024 12:05:31 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
17478
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 26 Mar 2024 22:27:51 GMT
server
nginx
etag
"66034be7-4446"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 23 Apr 2025 12:05:31 GMT
vendors-bundle.57c61eea2fa03efe4b76.js
regex101.com/static/ 		526 KB
146 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/vendors-bundle.57c61eea2fa03efe4b76.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
2d993187fe09dce24e215517bde365b9d5e2c2794c2d33dcb10dfbcf2d6dfbfa
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 23 Apr 2024 12:05:31 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
148641
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 26 Mar 2024 22:27:51 GMT
server
nginx
etag
"66034be7-244a1"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 23 Apr 2025 12:05:31 GMT
23.ee0eed133cff7d36c3b3.css
regex101.com/static/ 		63 KB
15 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/23.ee0eed133cff7d36c3b3.css
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
5b2020adeef1ee754178372b4d19a9e4d47129f32c52f54d8ad9e3d88af54151
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 23 Apr 2024 12:05:31 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
15251
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 26 Mar 2024 22:27:51 GMT
server
nginx
etag
"66034be7-3b93"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
cache-control
max-age=31536000
expires
Wed, 23 Apr 2025 12:05:31 GMT
bundle.4e1817a6b46161e18740.js
regex101.com/static/ 		334 KB
88 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/bundle.4e1817a6b46161e18740.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
513b030e30624581bea741cc56eb8331e20a8cd5b859c26415acfb93bb2304bb
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://regex101.com/
Accept-Language
is-IS,is;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 23 Apr 2024 12:05:31 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
89403
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Tue, 26 Mar 2024 22:27:51 GMT
server
nginx
etag
"66034be7-15d3b"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 23 Apr 2025 12:05:31 GMT
truncated
/ 		769 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
56b41106dbafac391838627a26366e878c586783a5cf69ec613b939712312eb2

Request headers

Accept-Language
is-IS,is;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

Content-Type
image/png
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8 JavaScript Global Variables

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

string| __INITIAL_STATE__ function| plausible object| _global object| _sentryDebugIds string| _sentryDebugIdIdentifier object| SENTRY_RELEASE object| webpackChunkregex101 string| __reactRouterVersion

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