DNSWHOIS.INFO - 172.63.in-addr.arpa

Search for IP or hostnames:

172.63.in-addr.arpa checked at 2025-11-16T02:03:24.299Z 91ms 50/50/50 100% R:11 allDone:true timedOut:false

`172.63.in-addr.arpa`

NS	`auth1.dns.cogentco.com`
		A	2001:550:1:a::d ^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
		A	66.28.0.14^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
NS	`auth2.dns.cogentco.com`
		A	2001:550:1:b::d ^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`
		A	66.28.0.30^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`

`63.in-addr.arpa`

	NS	`r.arin.net`
	NS	`u.arin.net`
	NS	`x.arin.net`
	NS	`y.arin.net`
	NS	`z.arin.net`
	NS	`arin.authdns.ripe.net`

Up

97.172.63.in-addr.arpa

232.172.63.in-addr.arpa

100.172.63.in-addr.arpa

236.172.63.in-addr.arpa

55.172.63.in-addr.arpa

235.172.63.in-addr.arpa

234.172.63.in-addr.arpa

69.172.63.in-addr.arpa

233.172.63.in-addr.arpa

Starts with same word

172.zone

172.ws

172.net

172.hk

172.la

172.nl

172.ch

172.fr

172.jp

172.org

172.in-addr.arpa

172.in

172.co

172.cc

172.ph

172.ir

172.com

172.one

172.aero

172.de

172.us

172.it

172.tw

172.ca

Starts similarily

721.ru

172.tw

217.at

127.run

712.eu

172.ca

127.io

127.ink

712.lt

127.eu

721.tw

712.com.cn

127.biz

271.nl

271.spb.ru

271.com

271.ch

127.ath.cx

217.cc

127.pictures

127.jp

271.us

217.waw.pl

271.se

721.org

721.in

721.com

721.ink

217.es

721.net

712.cz

712.com

217.ca

127.cz

271.de

127.de

127.com

721.info

217.ch

127.us

172.zone

127.co

271.eu

217.ws

127.ws

712.jpn.com

217.am

127.net

217.church

127.me

172.ws

712.ru

172.net

127.one

217.eu

172.hk

127.hk

712.us

127.network

127.cn

712.at

217.com

127.no

721.pl

721.cz

271.ru

172.la

172.nl

271.in

721.tv

271.xyz

712.de

127.email

712.nl

172.ch

127.dk

721.dk

271.com.cn

172.fr

172.jp

721.cc

217.be

271.ir

712.cc

217.cn

172.org

712.it

172.in-addr.arpa

127.cc

271.co

721.studio

172.in

217.co

127.ca

721.co

217.de

127.ch

712.net

127.ru

712.fr

127.sunnyday.jp

271.ca

217.in-addr.arpa

712.jp

217.dk

127.it

172.co

127.fi

127.fr

172.cc

172.ph

217.jp

127.wtf

712.cn

172.ir

172.com

172.one

172.aero

172.de

712.run

217.in

712.es

127.la

127.at

271.ph

217.ru

172.us

217.net

127.xxx

172.it

721.ph

271.jp

127.mx

721.cn

721.de

217.fr

127.in-addr.arpa

AI analysis

172.63.in-addr.arpa is the parent of 97.172.63.in-addr.arpa, 232.172.63.in-addr.arpa, 100.172.63.in-addr.arpa, 236.172.63.in-addr.arpa, 55.172.63.in-addr.arpa and several other host names.

172.63.in-addr.arpa's delegation is to two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com.

172.63.in-addr.arpa shares the same name server configuration as other domains, such as 10.111.38.in-addr.arpa, 38.154.in-addr.arpa, 3.168.38.in-addr.arpa, 168.146.213.in-addr.arpa and ras02.atl01.dial.cogentco.com.

172.63.in-addr.arpa at least partially shares its name servers with other domains, for instance upsmychoicepromo.com, dra.de, 79.31.207.in-addr.arpa, sandmaenchen.de and ups.do.

These name servers are commonly paired with nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.netrail.net, ns2.netrail.net and ns3.netrail.net.

Host names with two IP numbers: auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30

dbq