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codeforces.com Open in urlscan Pro
213.248.110.126  Public Scan

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Submitted URL: http://codeforces.com/contest/935/problem/A
Effective URL: https://codeforces.com/contest/935/problem/A?f0a28=1
Submission Tags: falconsandbox
Submission: On September 23 via api from US — Scanned from FR
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 5 countries across 5 domains to perform 84 HTTP transactions. The main IP is 213.248.110.126, located in France and belongs to TWELVE99 Arelion, fka Telia Carrier, SE. The main domain is codeforces.com. The Cisco Umbrella rank of the primary domain is 333765.
TLS certificate: Issued by R3 on July 7th 2022. Valid for: 3 months.
This is the only time codeforces.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
4 213.248.110.126 1299 (TWELVE99 ...)
68 2a06:98c1:312... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
6 195.123.220.85 21100 (ITLDC-NL)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
84 6
4    213.248.110.126 (France)

ASN1299 (TWELVE99 Arelion, fka Telia Carrier, SE)
PTR: 213-248-110-126.teliacarrier-cust.com
codeforces.com
68    2a06:98c1:3121::c (United States)

ASN13335 (CLOUDFLARENET, US)
codeforces.org
2    2a00:1450:4001:82a::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
6    195.123.220.85 (Meppel, Netherlands)

ASN21100 (ITLDC-NL, UA)
PTR: vds-955881.hosted-by-itldc.com
cdn-mathjax.codeforces.com
2    2a00:1450:400d:80c::2008 (Ireland)

ASN15169 (GOOGLE, US)
ssl.google-analytics.com
2    2a00:1450:4001:801::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
Apex Domain
Subdomains		 Transfer
68 codeforces.org
codeforces.org — Cisco Umbrella Rank: 567732
300 KB
10 codeforces.com
codeforces.com — Cisco Umbrella Rank: 333765
cdn-mathjax.codeforces.com — Cisco Umbrella Rank: 647202
210 KB
2 gstatic.com
fonts.gstatic.com
59 KB
2 google-analytics.com
ssl.google-analytics.com — Cisco Umbrella Rank: 290
17 KB
2 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 40
2 KB
84 5
Domain Requested by
68 codeforces.org codeforces.com
codeforces.org
6 cdn-mathjax.codeforces.com codeforces.com
cdn-mathjax.codeforces.com
4 codeforces.com codeforces.com
2 fonts.gstatic.com fonts.googleapis.com
2 ssl.google-analytics.com codeforces.com
2 fonts.googleapis.com codeforces.com
84 6

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

Domain
www.timeanddate.com
ton.org
ifmo.ru
Subject Issuer Validity Valid
codeforces.com
R3		 2022-07-07 -
2022-10-05		 3 months crt.sh
*.codeforces.org
E1		 2022-09-22 -
2022-12-21		 3 months crt.sh
upload.video.google.com
GTS CA 1C3		 2022-09-05 -
2022-11-28		 3 months crt.sh
*.codeforces.com
R3		 2022-09-12 -
2022-12-11		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2022-09-05 -
2022-11-28		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2022-09-05 -
2022-11-28		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://codeforces.com/contest/935/problem/A?f0a28=1
Frame ID: D4B224224C73384CA11DE90B5A4A08CD
Requests: 84 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Problem - A - Codeforces

Page URL History Show full URLs

  1. http://codeforces.com/contest/935/problem/A Page URL
  2. https://codeforces.com/contest/935/problem/A?f0a28=1 Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/mathjax\.js
Overall confidence: 100%
Detected patterns
  • clipboard(?:-([\d.]+))?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

84
Requests

98 %
HTTPS

67 %
IPv6

5
Domains

6
Subdomains

6
IPs

5
Countries

588 kB
Transfer

1744 kB
Size

8
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://codeforces.com/contest/935/problem/A Page URL
  2. https://codeforces.com/contest/935/problem/A?f0a28=1 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

84 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
A
codeforces.com/contest/935/problem/ 		748 B
991 B 		Document
General
Check archive.org
Download Go to
Full URL
http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
213.248.110.126 , France, ASN1299 (TWELVE99 Arelion, fka Telia Carrier, SE),
Reverse DNS
213-248-110-126.teliacarrier-cust.com
Software
kittenx /
Resource Hash
d8d6813599f044b325c796a04a9d33ddf95355f45b68824932ad0acb77cb6207
Security Headers
Name Value
Strict-Transport-Security max-age=86400
X-Content-Type-Options nosniff
X-Frame-Options sameorigin
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36
accept-language
fr-FR,fr;q=0.9

Response headers

Cache-Control
no-cache
Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html; charset=utf-8
Date
Fri, 23 Sep 2022 18:54:27 GMT
Expires
Thu, 01 Jan 1970 00:00:01 GMT
Server
kittenx
Strict-Transport-Security
max-age=86400
Transfer-Encoding
chunked
Vary
Accept-Encoding
X-Content-Type-Options
nosniff
X-Frame-Options
sameorigin
X-Frontend
front220103
X-XSS-Protection
1; mode=block
aes.min.js
codeforces.com/ 		30 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
http://codeforces.com/aes.min.js
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
213.248.110.126 , France, ASN1299 (TWELVE99 Arelion, fka Telia Carrier, SE),
Reverse DNS
213-248-110-126.teliacarrier-cust.com
Software
kittenx /
Resource Hash
e1ebf8bd0ea3d3543d1e8028dffad6b1405f10687201d9b7af480e34fbc4143a
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Content-Type-Options nosniff

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/contest/935/problem/A
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36

Response headers

Date
Fri, 23 Sep 2022 18:54:27 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Last-Modified
Mon, 13 Jul 2020 03:21:17 GMT
Server
kittenx
ETag
W/"5f0bd32d-76d8"
Strict-Transport-Security
max-age=63072000
Content-Type
application/javascript
Transfer-Encoding
chunked
X-Frontend
front220103
Connection
keep-alive
Vary
Accept-Encoding
Primary Request A
codeforces.com/contest/935/problem/ 		58 KB
14 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://codeforces.com/contest/935/problem/A?f0a28=1
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
213.248.110.126 , France, ASN1299 (TWELVE99 Arelion, fka Telia Carrier, SE),
Reverse DNS
213-248-110-126.teliacarrier-cust.com
Software
kittenx /
Resource Hash
2a2ddbd10b9a2ab1a295a34bf355fe97e3412648481bee16ec3e369e4522ade8
Security Headers
Name Value
Strict-Transport-Security max-age=86400
X-Content-Type-Options nosniff
X-Frame-Options sameorigin
X-Xss-Protection 1; mode=block

Request headers

Referer
http://codeforces.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36
accept-language
fr-FR,fr;q=0.9

Response headers

cache-control
private,no-cache,no-store,max-age=0,must-revalidate
content-encoding
gzip
content-type
text/html;charset=UTF-8
date
Fri, 23 Sep 2022 18:54:27 GMT
expires
-1
pragma
no-cache
server
kittenx
strict-transport-security
max-age=86400
vary
accept-encoding
x-content-type-options
nosniff
x-frame-options
sameorigin
x-frontend
front220103
x-xss-protection
1; mode=block
jquery-1.8.3.js
codeforces.org/s/0/js/ 		142 KB
43 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://codeforces.org/s/0/js/jquery-1.8.3.js
Requested by
Host: codeforces.com
URL: https://codeforces.com/contest/935/problem/A?f0a28=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:3121::c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a744f91b869addd9de6be96c80a56b77cbd3c4210dbb9d24ccfcfa8d0c56dbb4

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
https://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36

Response headers

date
Fri, 23 Sep 2022 18:54:27 GMT
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
65698
cf-polished
origSize=267739
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
pragma
public
last-modified
Sun, 14 Aug 2022 23:59:55 GMT
server
cloudflare
etag
W/"62f98c7b-415db"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ADWsf0%2FXAqZePRBwJ3v6Up5scbaSw9xr5upiB0Kjm%2BNyBpFqiTivR2vQ4oaw3882JI4%2BDa3%2BUdoPZH8Bxdy82EM7wtn3YxaPeGarBOr4HTTZUYHm%2F6oStSNQq1x00rw0GjpfpWbIgp%2Bb%2FvHjIg%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
access-control-allow-origin
*
expires
Fri, 30 Sep 2022 00:39:29 GMT
cache-control
public, max-age=604800
cf-ray
74f57d2eff56d6a6-CDG
cf-bgj
minify
font-awesome.min.css
codeforces.org/s/30454/css/ 		27 KB
5 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://codeforces.org/s/30454/css/font-awesome.min.css
Requested by
Host: codeforces.com
URL: https://codeforces.com/contest/935/problem/A?f0a28=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:3121::c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
16479dc1f894106be7221252a139a7e8e14a830ad029ef30183e7af7b751e2b3

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
https://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36

Response headers

date
Fri, 23 Sep 2022 18:54:27 GMT
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
48064
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
pragma
public
last-modified
Sun, 14 Aug 2022 23:59:54 GMT
server
cloudflare
etag
W/"62f98c7a-6a5b"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=CuVZwkJ0lH%2FueutHVrg3lHtQogMkeaoMkbVBhiKYkwo9b4xZ1Zjz0bssFDnIB3U38zubddSBvkbirXSy%2BJ1l3%2F0DXhuLhrWukuofw9hqrwWYlmcPOQF%2FZH2nOEkmcOyhFXeR0p6ur6sCuwnTjw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
access-control-allow-origin
*
cache-control
public, max-age=604800
cf-ray
74f57d2eeef4d6a6-CDG
expires
Fri, 30 Sep 2022 05:33:23 GMT
line-awesome.min.css
codeforces.org/s/30454/css/ 		88 KB
16 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://codeforces.org/s/30454/css/line-awesome.min.css
Requested by
Host: codeforces.com
URL: https://codeforces.com/contest/935/problem/A?f0a28=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:3121::c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ce61a18cf084f15003798340044643f329ac5f90045acb2d9e778368bd799854

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
https://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36

Response headers

date
Fri, 23 Sep 2022 18:54:27 GMT
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
48064
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
pragma
public
last-modified
Sun, 14 Aug 2022 23:59:54 GMT
server
cloudflare
etag
W/"62f98c7a-15e81"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=DibHUj41tKGTUz4CglGY7qt5OvfnJ1qfpXHBDbUWKubjxEQxXs5s7un%2FMswAaP5bRnSG2ouf48%2Fyw2sToFJVPxXr79NJ64gyv4I3g0ZXHViCRUlrafW2a8wywroLKlCOoQ%2BIhSq2E%2Ba8cXKA0w%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
access-control-allow-origin
*
cache-control
public, max-age=604800
cf-ray
74f57d2eeef6d6a6-CDG
expires
Fri, 30 Sep 2022 05:33:23 GMT
css
fonts.googleapis.com/ 		3 KB
603 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=PT+Sans+Narrow:400,700&subset=latin,cyrillic
Requested by
Host: codeforces.com
URL: https://codeforces.com/contest/935/problem/A?f0a28=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
dc7a915581da5711f9a3f3a2cf7d56cd12e0f470242c4948e00ec89f831b965c
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

accept-language
fr-FR,fr;q=0.9
Referer
https://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Fri, 23 Sep 2022 18:20:41 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
date
Fri, 23 Sep 2022 18:54:27 GMT
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
Fri, 23 Sep 2022 18:54:27 GMT
css
fonts.googleapis.com/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Cuprum&subset=latin,cyrillic
Requested by
Host: codeforces.com
URL: https://codeforces.com/contest/935/problem/A?f0a28=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
acfe0bfd403566be38b08d60e4612d6c25103023a456018fa5b5a62d722d0966
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

accept-language
fr-FR,fr;q=0.9
Referer
https://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Fri, 23 Sep 2022 18:32:42 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
date
Fri, 23 Sep 2022 18:54:27 GMT
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
Fri, 23 Sep 2022 18:54:27 GMT
prettify.css
codeforces.org/s/30454/css/ 		2 KB
671 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://codeforces.org/s/30454/css/prettify.css
Requested by
Host: codeforces.com
URL: https://codeforces.com/contest/935/problem/A?f0a28=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:3121::c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
36a8b7e4af67f1229891cad4d00155d6fb2172768aabecf84ebc5c403523cb76

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
https://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.125 Safari/537.36

Response headers

date
Fri, 23 Sep 2022 18:54:27 GMT
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
48064
cf-polished
origSize=3571
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
pragma
public
last-modified
Sun, 14 Aug 2022 23:59:54 GMT
server
cloudflare
etag
W/"62f98c7a-df3"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=McCTO0djZBSLAVosFresZNCyeBSyeTKxQiWhmhm7RwHFTK0MF0H3I7d6CteulMtYohEkGu04qEuWZsIw%2B63crCvNTQ1DB79IAqt1f3cnsPzVRLJhEB3MB8Xw6p%2B18feGDC7jlkOLge%2FS0ubHew%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
access-control-allow-origin
*
expires
Fri, 30 Sep 2022 05:33:23 GMT
cache-control
public, max-age=604800
cf-ray
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date
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x-content-type-options
nosniff
age
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content-security-policy-report-only
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Response headers

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x-content-type-options
nosniff
age
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content-security-policy-report-only
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Response headers

pragma
no-cache
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x-content-type-options
nosniff
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expires
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Protocol
H3
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QUIC, , AES_128_GCM
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Response headers

date
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cf-cache-status
HIT
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age
49501
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cloudflare
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report-to
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671 B 		Image
General
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Full URL
https://codeforces.org/s/30454/images/menu/lava-left.png
Requested by
Host: codeforces.org
URL: https://codeforces.org/s/30454/css/second-level-menu.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a06:98c1:3121::c , United States, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
Resource Hash
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Request headers

accept-language
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User-Agent
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Response headers

date
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cf-cache-status
HIT
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age
49501
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public
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server
cloudflare
etag
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vary
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report-to
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TeX-AMS_HTML-full.js
cdn-mathjax.codeforces.com/config/ 		309 KB
93 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/config/TeX-AMS_HTML-full.js?V=2.7.9
Requested by
Host: cdn-mathjax.codeforces.com
URL: https://cdn-mathjax.codeforces.com/MathJax.js?config=TeX-AMS_HTML-full
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H2
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TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
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User-Agent
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Response headers

pragma
public
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content-encoding
gzip
last-modified
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server
nginx/1.18.0 (Ubuntu)
etag
W/"6065d767-4d31d"
vary
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content-type
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*
cache-control
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fontdata.js
cdn-mathjax.codeforces.com/jax/output/HTML-CSS/fonts/TeX/ 		43 KB
14 KB 		Script
General
Check archive.org
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https://cdn-mathjax.codeforces.com/jax/output/HTML-CSS/fonts/TeX/fontdata.js?V=2.7.9
Requested by
Host: cdn-mathjax.codeforces.com
URL: https://cdn-mathjax.codeforces.com/MathJax.js?config=TeX-AMS_HTML-full
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
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Reverse DNS
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Software
nginx/1.18.0 (Ubuntu) /
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Request headers

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User-Agent
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Response headers

pragma
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content-encoding
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server
nginx/1.18.0 (Ubuntu)
etag
W/"6065da54-ad3d"
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34 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/MathJax_Main-Regular.woff?V=2.7.9
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
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nginx/1.18.0 (Ubuntu) /
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Request headers

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User-Agent
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Response headers

pragma
public
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last-modified
Thu, 01 Apr 2021 14:23:39 GMT
server
nginx/1.18.0 (Ubuntu)
etag
"6065d76b-8574"
content-type
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expires
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MathJax_Math-Italic.woff
cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/ 		19 KB
19 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/MathJax_Math-Italic.woff?V=2.7.9
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
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Reverse DNS
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Software
nginx/1.18.0 (Ubuntu) /
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Request headers

Referer
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accept-language
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User-Agent
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Response headers

pragma
public
date
Fri, 23 Sep 2022 18:54:28 GMT
last-modified
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server
nginx/1.18.0 (Ubuntu)
etag
"6065d76b-4b9c"
content-type
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*
cache-control
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accept-ranges
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19356
expires
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MathJax_Size1-Regular.woff
cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/ 		6 KB
6 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/MathJax_Size1-Regular.woff?V=2.7.9
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

Referer
https://codeforces.com/
Origin
https://codeforces.com
accept-language
fr-FR,fr;q=0.9
User-Agent
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Response headers

pragma
public
date
Fri, 23 Sep 2022 18:54:28 GMT
last-modified
Thu, 01 Apr 2021 14:23:39 GMT
server
nginx/1.18.0 (Ubuntu)
etag
"6065d76b-16a0"
content-type
font/woff
access-control-allow-origin
*
cache-control
max-age=172800, public
accept-ranges
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content-length
5792
expires
Sun, 25 Sep 2022 18:54:28 GMT

Verdicts & Comments Add Verdict or Comment

66 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.

object| onbeforeinput object| oncontextlost object| oncontextrestored function| structuredClone object| launchQueue object| onbeforematch function| getScreenDetails function| queryLocalFonts object| navigation function| $ function| jQuery function| adjustViewport boolean| standaloneContest undefined| DecorationsT undefined| JobT undefined| SourceSpansT boolean| IN_GLOBAL_SCOPE object| PR boolean| PR_SHOULD_USE_CONTINUATION function| prettyPrintOne function| prettyPrint function| moment function| PushStream object| PushStreamManager function| UAParser boolean| IE6 function| autosize function| q undefined| t boolean| u object| sjcl function| y function| z function| C function| A function| B object| D object| codeforcesOptions function| info function| debug function| error function| appendParameterToUrl object| Codeforces object| CodeforcesIframe function| EventCatcher object| preparedVerdictFormats object| commentSettings object| completeSettings object| miu undefined| queryMobile undefined| useMobile object| _gaq object| parser string| browserName string| browserVersion boolean| supportedBrowser object| supportedBrowsers function| getCodeforcesServerTime function| updateTypography object| eventCatcher object| changedTests object| jQuery18309829557016776074 function| updateDatatableFilter object| _gat object| gaGlobal object| MathJax

8 Cookies

Domain/Path Name / Value
codeforces.com/ Name: RCPC
Value: a6682152ab161065f8632e59cd061dce
codeforces.com/ Name: JSESSIONID
Value: 3288AD18C60D5CDBFF2C356C76E8E2BC-n1
codeforces.com/ Name: 39ce7
Value: CFQHSKRA
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Value: 71512449.1502790652.1663959268.1663959268.1663959268.1
.codeforces.com/ Name: __utmc
Value: 71512449
.codeforces.com/ Name: __utmz
Value: 71512449.1663959268.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
.codeforces.com/ Name: __utmt
Value: 1
.codeforces.com/ Name: __utmb
Value: 71512449.1.10.1663959268

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
Strict-Transport-Security max-age=86400
X-Content-Type-Options nosniff
X-Frame-Options sameorigin
X-Xss-Protection 1; mode=block

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.

cdn-mathjax.codeforces.com
codeforces.com
codeforces.org
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