ROBTEX.COM - codeforces.org

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codeforces.org checked at 2025-12-25T20:09:59.103Z 2443ms 105/105/105 100% R:6 allDone:true timedOut:false cfaller:74862166/9:81967ed8:17536:undefined

`codeforces.org`

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	2606:4700:3031::ac43:83be^{🇺🇸 Cloudflare}
A	2606:4700:3035::6815:afc^{🇺🇸 Cloudflare}
A	104.21.10.252^Cloudflare
A	172.67.131.190^{🇺🇸 Cloudflare}

`org`

	NS	`a0.org.afilias-nst.info`
	NS	`a2.org.afilias-nst.info`
	NS	`c0.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`d0.org.afilias-nst.org`

Starts with same word

codeforces.org

codeforces.ru

codeforces.eu

codeforces.com

codeforces.net

Starts similarily

codeforces.com

codeforces.net

frescocode.com

codeforces.org

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

codeforces.ru

codeforces.eu

AI analysis

Four IP numbers are pointed to by codeforces.org: 2606:4700:3031::ac43:83be, 2606:4700:3035::6815:afc, 104.21.10.252 and 172.67.131.190.

other host names including gunzone.com, thelistservearchive.com, webxt.ru, www.flexibleimages.club and sanslendemain.net share IP numbers with codeforces.org.

codeforces.org is delegated to two name servers fred.ns.cloudflare.com and jean.ns.cloudflare.com.

codeforces.org shares the same name server setup as other domains, for instance habcoprimatama.com, veganutmaningen.se, crashtm.org, garzedin.com.br and jd-multimedia.fr.

codeforces.org at least partially shares name servers with other domains, for instance ec6.pl, xiongbwh.com, gettelugu.com, rodbertus.com and argonauthotel.com.

these name servers are commonly used alongside zelda.ns.cloudflare.com.

Host names with six IP numbers:

Host name 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.

Host name 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.