ROBTEX.COM - codeforces.ru

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codeforces.ru checked at 2025-12-13T20:47:55.606Z 1559ms 105/105/105 100% R:11 allDone:true timedOut:false

`codeforces.ru`

	NS	`fred.ns.cloudflare.com`
			A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare}
				PTR	`fred.ns.cloudflare.com`
			A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare}
				PTR	`fred.ns.cloudflare.com`
			A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare}
				PTR	`fred.ns.cloudflare.com`
			A	108.162.193.113^{🇺🇸 Cloudflare}
				PTR	`fred.ns.cloudflare.com`
			A	172.64.33.113^{🇺🇸 Cloudflare}
				PTR	`fred.ns.cloudflare.com`
			A	173.245.59.113^{🇺🇸 Cloudflare}
				PTR	`fred.ns.cloudflare.com`
	NS	`jean.ns.cloudflare.com`
			A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare}
				PTR	`jean.ns.cloudflare.com`
			A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare}
				PTR	`jean.ns.cloudflare.com`
			A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare}
				PTR	`jean.ns.cloudflare.com`
			A	108.162.192.121^{🇺🇸 Cloudflare}
				PTR	`jean.ns.cloudflare.com`
			A	172.64.32.121^{🇺🇸 Cloudflare}
				PTR	`jean.ns.cloudflare.com`
			A	173.245.58.121^{🇺🇸 Cloudflare}
				PTR	`jean.ns.cloudflare.com`
	A	2606:4700:3030::6815:2c7e^{🇺🇸 Cloudflare}
	A	2606:4700:3030::ac43:c7f9^{🇺🇸 Cloudflare}
	A	104.21.44.126^Cloudflare
	A	172.67.199.249^{🇺🇸 Cloudflare}

`ru`

	NS	`a.dns.ripn.net`
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`

Starts with same word

codeforces.com

codeforces.net

codeforces.org

codeforces.ru

codeforces.eu

Starts similarily

codeforces.org

codeforecs.s3-us-west-2.amazonaws.com

codeforces.ru

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frescocode.com

AI analysis

codeforces.ru points to four IP numbers: 2606:4700:3030::6815:2c7e, 2606:4700:3030::ac43:c7f9, 104.21.44.126 and 172.67.199.249.

Other host names, for instance houstongims.net, voronz.in.ua, fivebooks.com, www.zhongxinhuanbao.com and pcleak.com share IP numbers with codeforces.ru.

Delegation for codeforces.ru rests with two name servers, fred.ns.cloudflare.com and jean.ns.cloudflare.com.

codeforces.ru shares the same name server setup as other domains, including ipmobile.me, kalbariana.web.id, vonmink.com, akjbookkeeping.com.au and 10ptt.com.

codeforces.ru at least partially shares name servers with other domains, for instance pesquisador.info, rcsps.com, amancayweb.com, clipnclimbstockton.co.uk and hangkongsuyun.com.

These name servers are commonly used with the name servers zelda.ns.cloudflare.com.

Host names with six IP numbers: fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113. jean.ns.cloudflare.com points to: 2606:4700:50::adf5:3a79, 2803:f800:50::6ca2:c079, 2a06:98c1:50::ac40:2079, 108.162.192.121, 172.64.32.121 and 173.245.58.121.