Codeforces.com Reviews
Codeforces.com has a total of 14 DNS records. In the server records, it appears to be registered with the IP address 104.26.7.164 in Canada, Ontario, Toronto, America/Toronto with the information belonging to Cloudflare, Inc. The domain was registered on N/A, and the expiration date appears to be on N/A. When checked on , the website is still online. According to Siteadvisor, visiting codeforces.com is safe.
Location :
Toronto, Canada 🇨🇦
Last Checked: February 02, 2025
Server Status :
Offline
Last Checked: N/A
Server :
Cloudflare, Inc.
Last Checked: February 02, 2025
Robot.txt Information
| Robot | Path | Permission |
|---|---|---|
| Google Bot | / | |
| Bing Bot | / | |
| Baudi Spider | / | |
| Yandex Bot | / |
Meta Tags
| Title | N/A |
| Description | N/A |
| Keywords | N/A |
Server Information
| Website | codeforces.com |
| Host IP | 104.26.7.164 🇨🇦 |
| Location | Toronto, Canada |
Similar Sites
General Info - Legit or Scam?
| Created | N/A |
| Expires | N/A |
| Owner | N/A |
| Hosting Company | Cloudflare, Inc. |
| Registrar | N/A |
| IPs | 104.26.7.164 |
| DNS |
|
DNS Records
| Host | Type | TTL | Data |
|---|---|---|---|
| codeforces.com | A | 300 | IP/Target: 104.26.7.164 |
| codeforces.com | A | 300 | IP/Target: 172.67.68.254 |
| codeforces.com | A | 300 | IP/Target: 104.26.6.164 |
| codeforces.com | NS | 86400 | Target: jean.ns.cloudflare.com |
| codeforces.com | NS | 86400 | Target: fred.ns.cloudflare.com |
| codeforces.com | SOA | 1800 |
MNAME: fred.ns.cloudflare.com RNAME: dns.cloudflare.com Serial: 2363298847 Refresh: 10000 Retry: 2400 Expire: 604800 Minimum TTL: 1800 |
| codeforces.com | MX | 300 | IP/Target: mx.yandex.net |
| codeforces.com | TXT | 300 | TXT: google-site-verification=l4G0k0hCtL44oR2JYae12tG2VSyD0ig5OEN4oKGz6IY |
| codeforces.com | TXT | 300 | TXT: loaderio=17e74635884b3872197928c7ea0123c5 |
| codeforces.com | TXT | 300 | TXT: v=spf1 ip4:77.234.215.0/24 ip4:95.163.252.67/32 include:_spf.yandex.net -all |
| codeforces.com | TXT | 300 | TXT: v=spf1 redirect=_spf.yandex.net |
| codeforces.com | AAAA | 300 | Ipv6: 2606:4700:20::ac43:44fe |
| codeforces.com | AAAA | 300 | Ipv6: 2606:4700:20::681a:7a4 |
| codeforces.com | AAAA | 300 | Ipv6: 2606:4700:20::681a:6a4 |
HTTP Headers
0: HTTP/1.1 403 Forbidden
Date: Sun, 02 Feb 2025 10:27:05 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: veMVBngPFxEzRjD8v/7TpcQFR1luK+rHFK+khCw38lzOUjAGeNJRvr9qBDKJ8DtqQm2/JzyOTI5KmTroS9QRI0Z/YIbVyfzkV/HAobjv5xwHyJaku3yuElQdJLlwvjwrh674qrPiLBU/n3IBMLYEBw==$PQFnKKNM7whF4ATM8/ICdw==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Report-To: {
"endpoints": [
{
"url": "https://a.nel.cloudflare.com/report/v4?s=jhku9S8Aest0Ec7ktNB4%2BwO8VAG7eO0RaryiquDL719A5cFoMoU7NjYMhm0PYffYEHK5eHyfcbj%2FDRfVHoDoQLsb3CsFN8FRCz1m1pSluEm%2Fk%2FzofjqfyDss3rNZRMZe"
}
],
"group": "cf-nel",
"max_age": 604800
}
NEL: {
"success_fraction": 0,
"report_to": "cf-nel",
"max_age": 604800
}
Server: cloudflare
CF-RAY: 90b97c9778d8023a-CDG
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=4350&min_rtt=4344&rtt_var=1235&sent=4&recv=6&lost=0&retrans=0&sent_bytes=3006&recv_bytes=731&delivery_rate=666666&cwnd=253&unsent_bytes=0&cid=c45c482bf866d318&ts=20&x=0"
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Codeforces.com Whois Information
Error: Monthly quota exceeded. Consider upgrading your subscription or wait until the API renew date.
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