DNSWHOIS.INFO - 172.65.in-addr.arpa

Search for IP or hostnames:

172.65.in-addr.arpa checked at 2025-10-31T17:02:06.745Z 269ms 50/50/50 100% R:12

`172.65.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`

`65.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

223.172.65.in-addr.arpa

246.172.65.in-addr.arpa

222.172.65.in-addr.arpa

254.172.65.in-addr.arpa

145.172.65.in-addr.arpa

132.172.65.in-addr.arpa

242.172.65.in-addr.arpa

252.172.65.in-addr.arpa

71.172.65.in-addr.arpa

24.172.65.in-addr.arpa

27.172.65.in-addr.arpa

146.172.65.in-addr.arpa

16.172.65.in-addr.arpa

243.172.65.in-addr.arpa

26.172.65.in-addr.arpa

240.172.65.in-addr.arpa

54.172.65.in-addr.arpa

193.172.65.in-addr.arpa

Starts with same word

172.hk

172.la

172.nl

172.ch

172.fr

172.jp

172.org

172.in-addr.arpa

172.in

172.co

172.ph

172.ir

172.com

172.one

172.aero

172.de

172.us

172.it

172.tw

172.ca

172.zone

172.ws

172.net

Starts similarily

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

271.cc

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

217.tv

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

721.me

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.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

127.xxx

172.it

721.ph

271.jp

127.mx

721.cn

721.de

217.fr

127.in-addr.arpa

721.ru

172.tw

217.at

127.run

712.eu

172.ca

127.io

127.ink

712.lt

721.tw

712.com.cn

271.nl

271.spb.ru

271.com

271.ch

AI analysis

172.65.in-addr.arpa has children including 223.172.65.in-addr.arpa, 246.172.65.in-addr.arpa, 222.172.65.in-addr.arpa, 254.172.65.in-addr.arpa, 145.172.65.in-addr.arpa and a few other host names.

172.65.in-addr.arpa is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.

172.65.in-addr.arpa uses the same name server setup as other domains, including flr01.atlas.cogentco.com, 7.146.38.in-addr.arpa, 148.206.213.in-addr.arpa, 134.38.in-addr.arpa and flylogan.com.

At least part of the name servers for 172.65.in-addr.arpa are shared with other domains, for instance dodgefitnesscenter.com, bigbrown.org, 74.44.209.in-addr.arpa, upsts.com and daktronics.es.

These name servers are commonly used alongside 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, ext-ns1.columbia.edu, auth4.dns.cogentco.com and auth5.dns.cogentco.com.

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