codeforces.com
The domain codeforces.com answers at IP address 104.26.7.164. That address belongs to Cloudflare, Inc., based in Canada. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for codeforces.com goes through 1 servers; the highest priority one is mx.yandex.net. It also publishes 4 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 104.26.7.164 300s
- 104.26.6.164 300s
- 172.67.68.254 300s
AAAA AAAA records
- 2606:4700:20::681a:7a4 300s
- 2606:4700:20::ac43:44fe 300s
- 2606:4700:20::681a:6a4 300s
MX MX records
- 10 mx.yandex.net 300s
NS NS records
- jean.ns.cloudflare.com 21600s
- fred.ns.cloudflare.com 21600s
TXT TXT records
- v=spf1 ip4:77.234.204.67 ip4:95.163.252.67 ip4:195.123.220.85 ip4:88.99.139.119 ip4:195.201.243.180 include:_spf.yandex.net -all 60s
- google-site-verification=l4G0k0hCtL44oR2JYae12tG2VSyD0ig5OEN4oKGz6IY 60s
- loaderio=17e74635884b3872197928c7ea0123c5 60s
- google-site-verification=VvzVGP9UCSUH900X1vOlBW-K8vpBIidmdNkqp9AeVvk 60s
SOA SOA records
- fred.ns.cloudflare.com 1800s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 8 hours ago.