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available-for-bokingx.pages.dev Open in urlscan Pro
172.66.47.65  Public Scan

Go To Rescan Add Verdict Report
URL: https://available-for-bokingx.pages.dev/
Submission: On June 30 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 4 IPs in 2 countries across 4 domains to perform 9 HTTP transactions. The main IP is 172.66.47.65, located in United States and belongs to CLOUDFLARENET, US. The main domain is available-for-bokingx.pages.dev.
TLS certificate: Issued by WE1 on June 27th 2024. Valid for: 3 months.
This is the only time available-for-bokingx.pages.dev was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
6 172.66.47.65 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 184.24.77.31 20940 (AKAMAI-ASN1)
9 4
Apex Domain
Subdomains		 Transfer
6 pages.dev
available-for-bokingx.pages.dev
309 KB
1 akamaized.net
cdn-cd.akamaized.net
4 KB
1 gstatic.com
fonts.gstatic.com
33 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 83
1 KB
9 4
Domain Requested by
6 available-for-bokingx.pages.dev available-for-bokingx.pages.dev
1 cdn-cd.akamaized.net
1 fonts.gstatic.com fonts.googleapis.com
1 fonts.googleapis.com available-for-bokingx.pages.dev
9 4

This site contains no links.

Subject Issuer Validity Valid
available-for-bokingx.pages.dev
WE1		 2024-06-27 -
2024-09-25		 3 months crt.sh
upload.video.google.com
WR2		 2024-06-13 -
2024-09-05		 3 months crt.sh
*.gstatic.com
WR2		 2024-06-13 -
2024-09-05		 3 months crt.sh
a248.e.akamai.net
DigiCert TLS RSA SHA256 2020 CA1		 2024-04-18 -
2025-04-19		 a year crt.sh

This page contains 1 frames:

Primary Page: https://available-for-bokingx.pages.dev/
Frame ID: 5FB7DB308BFFA6977E791973A509A4A6
Requests: 9 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Detected technologies

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

Page Statistics

9
Requests

100 %
HTTPS

50 %
IPv6

4
Domains

4
Subdomains

4
IPs

2
Countries

348 kB
Transfer

358 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
available-for-bokingx.pages.dev/ 		3 KB
1 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://available-for-bokingx.pages.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.66.47.65 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c2e802a956d0c0df21c15e2cb9f53237365b4c380af1856a8d18b853d3c92671
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=0, must-revalidate
cf-ray
89bec0620ecfbf25-WAW
content-encoding
br
content-type
text/html; charset=utf-8
date
Sun, 30 Jun 2024 14:12:29 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
strict-origin-when-cross-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=HAzJWmTWdIt6qHK51WpAnjEVIqwEpPJGuRGHLzfNXhEH1cIDjdkuGIgZR%2Bmp%2BPJxSVDaMwwZvfBxdg2Mq0pO42ksUcszzJTShBvEqQibwaS%2ByYul7kMDhSBbRFJHQf3fPz6BNlJ9sPyXIRdQBFzvpo%2F0"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
x-content-type-options
nosniff
main.css
available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/ 		8 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/main.css
Requested by
Host: available-for-bokingx.pages.dev
URL: https://available-for-bokingx.pages.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.66.47.65 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8c5eeb7ce18d983ce32bae1f830c11317a37a4cecd059850d5a3841e2abf9afc
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://available-for-bokingx.pages.dev/
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 30 Jun 2024 14:12:29 GMT
content-encoding
br
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"8f070f6725f3fe4e7a7d95639c5df13f"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TFbAM6uTBoSiEUgQYXapf8XOETdV%2F1KIt7mmrP2iRnJBHqGnHHxDdpAIoWiqwFuW3Iru7gcBZj%2FyqPuf1sk3bl6Zc4dqPKqOzHbzNAuzBHmUNZY6n28oMyGMjir%2FG5LcyQl3zRqSme40vQhDn9%2FyeU%2Fb"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
89bec063f97bbf25-WAW
alt-svc
h3=":443"; ma=86400
jquery.min.js.download
available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/ 		84 KB
84 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/jquery.min.js.download
Requested by
Host: available-for-bokingx.pages.dev
URL: https://available-for-bokingx.pages.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.66.47.65 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
05b85d96f41fff14d8f608dad03ab71e2c1017c2da0914d7c59291bad7a54f8e
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://available-for-bokingx.pages.dev/
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 30 Jun 2024 14:12:29 GMT
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
"6d0f6f98910bf0a3ebf707a3a686a8df"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=3XnsRAI6KAIkkWBW2y%2FdQ3KbGml0BqHzr0p4iFVT2iLzQsVCMx1f0LrgrFF2q%2F%2FkmgZNJlD5RTSxHvTqr293lYGXlQOBYQRs8ivhuiP4B24G5Drlgv1r03ufMwmhPJ5ASSe5wlc1n2ZmfoPnrb8EAv0X"}],"group":"cf-nel","max_age":604800}
content-type
null
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
89bec063f97fbf25-WAW
alt-svc
h3=":443"; ma=86400
content-length
85578
translates.js.download
available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/ 		55 KB
55 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/translates.js.download
Requested by
Host: available-for-bokingx.pages.dev
URL: https://available-for-bokingx.pages.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.66.47.65 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1424294478ac1828aa8d1e376210703534ffe74b84ca8a7a7668bff697251d04
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://available-for-bokingx.pages.dev/
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 30 Jun 2024 14:12:29 GMT
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
"6b00c3471be2d060e7141626838caa90"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=nTX0xxAZrD5aiqmfad9GvHx6BlbHtuTUPAM%2FdtTVYOceZzq08y1Y7K5iS1Fc12D5oGEONPYCGAbrsTxV%2FXZNwF2b0Vz3h2MlYdKpwq0tEFJ4DRXlHk4b5IsvlmT%2BPwsQtI0ncc3JpjyCPBsn39oGm%2BBv"}],"group":"cf-nel","max_age":604800}
content-type
null
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
89bec063f982bf25-WAW
alt-svc
h3=":443"; ma=86400
content-length
56294
backoffer.js.download
available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/ 		618 B
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/backoffer.js.download
Requested by
Host: available-for-bokingx.pages.dev
URL: https://available-for-bokingx.pages.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.66.47.65 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3cc4cdc7b3421264503656474f5b10db20bc711493bfe2df0680da0b7c81a72c
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://available-for-bokingx.pages.dev/
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 30 Jun 2024 14:12:29 GMT
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
"77343f132f052d020c2c4af8fe1870a0"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TdUhhn6jQX%2FLDeMXFFLE%2BVzyUTIBR3qxhkGkWogqiP46wOC8q8mubFpIxhGMxC%2BS7WG2y%2Fg9Y6Zs5Qn%2FJtC3l%2FVYDfeveT7Mf7BUFcpJN5Czguw3gQQWiHTnQqQdlYUI3Wr5445Y5yAbCbU5XjuA%2BGRh"}],"group":"cf-nel","max_age":604800}
content-type
null
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
89bec063f984bf25-WAW
alt-svc
h3=":443"; ma=86400
content-length
618
css
fonts.googleapis.com/ 		7 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Montserrat:400,500,600,700&display=swap
Requested by
Host: available-for-bokingx.pages.dev
URL: https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/main.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80b::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
156d6126d329168667f3fc9fd67a12202eae1ac3619318e0fff058fb74944c1d
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="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://available-for-bokingx.pages.dev/
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Sun, 30 Jun 2024 14:12:29 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
Sun, 30 Jun 2024 12:52:37 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
Sun, 30 Jun 2024 14:12:29 GMT
1.jpg
available-for-bokingx.pages.dev/bg/ 		164 KB
165 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://available-for-bokingx.pages.dev/bg/1.jpg
Requested by
Host: available-for-bokingx.pages.dev
URL: https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/main.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.66.47.65 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
aed17b447cbccca5be79dc42f67b93a433c78f9d04481fc21ece39b1becc70c4
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/main.css
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 30 Jun 2024 14:12:29 GMT
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
"89c7589a2b900b8a7bb86bf8d21442af"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zigKYEgjN9awQyB%2Fx71db9eplVDTv7j9tnDBfLlzLUZ7PwoxBkAaAMRbypgg6%2FdvyHTuTUqlh9MEsIDOc3WwoRteY05JT3cJi0aa44gh3wTIJ9lnNFkkgqo%2FlmthspuryZ9vCCuGPViPEJwE10z4dwhO"}],"group":"cf-nel","max_age":604800}
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
89bec0663c2abf25-WAW
alt-svc
h3=":443"; ma=86400
content-length
168267
JTUSjIg1_i6t8kCHKm459Wlhyw.woff2
fonts.gstatic.com/s/montserrat/v26/ 		32 KB
33 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/montserrat/v26/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Montserrat:400,500,600,700&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
bb2f90081933c0f2475883ca2c5cfee94e96d7314a09433fffc42e37f4cffd3b
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://fonts.googleapis.com/
Origin
https://available-for-bokingx.pages.dev
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 27 Jun 2024 12:59:20 GMT
x-content-type-options
nosniff
age
263589
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
33092
x-xss-protection
0
last-modified
Wed, 13 Sep 2023 22:51:58 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Fri, 27 Jun 2025 12:59:20 GMT
favicon.ico
cdn-cd.akamaized.net/images/ 		4 KB
4 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://cdn-cd.akamaized.net/images/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
184.24.77.31 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
a184-24-77-31.deploy.static.akamaitechnologies.com
Software
AmazonS3 /
Resource Hash
fbfff44a653dc193b93620f1035d221d3aaddf3238742270b3385482986ef7f0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://available-for-bokingx.pages.dev/
Accept-Language
de-DE,de;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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Sun, 30 Jun 2024 14:12:30 GMT
Last-Modified
Wed, 07 Nov 2018 08:41:38 GMT
Server
AmazonS3
x-amz-request-id
EDJH07TJXE5A6YZW
ETag
"4cdf3256cd7b8ec3917adb79d6bf457e"
Content-Type
image/x-icon
Connection
keep-alive
Accept-Ranges
bytes
Alt-Svc
h3-Q050=":443"; ma=93600,quic=":443"; ma=93600; v="46,43"
Content-Length
4103
x-amz-id-2
gXAupFrfV0dcitvJv0GGazQfOGPcRZ+eLvnfZk4b5xix4RId82VX02F1s1Se0sQo6NkyVN5nVDo=

Verdicts & Comments Add Verdict or Comment

4 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.

undefined| event object| fence object| sharedStorage string| backOfferUrl

0 Cookies

4 Console Messages

Source Level URL
Text
rendering warning URL: https://available-for-bokingx.pages.dev/(Line 6)
Message:
The value "false" for key "user-scalable" is invalid, and has been ignored.
security error URL: https://available-for-bokingx.pages.dev/
Message:
Refused to execute script from 'https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/jquery.min.js.download' because its MIME type ('null') is not executable, and strict MIME type checking is enabled.
security error URL: https://available-for-bokingx.pages.dev/
Message:
Refused to execute script from 'https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/translates.js.download' because its MIME type ('null') is not executable, and strict MIME type checking is enabled.
security error URL: https://available-for-bokingx.pages.dev/
Message:
Refused to execute script from 'https://available-for-bokingx.pages.dev/1fbbec7f1742a68d_files/backoffer.js.download' because its MIME type ('null') is not executable, and strict MIME type checking is enabled.

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
X-Content-Type-Options nosniff