DNSWHOIS.INFO - 81.38.in-addr.arpa

Search for IP or hostnames:

81.38.in-addr.arpa checked at 2025-11-16T11:23:42.560Z 116ms 50/50/50 100% R:13 allDone:true timedOut:false

`81.38.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`

`38.in-addr.arpa`

	NS	`auth1.dns.cogentco.com`
	NS	`auth2.dns.cogentco.com`

Up

108.81.38.in-addr.arpa

102.81.38.in-addr.arpa

158.81.38.in-addr.arpa

112.81.38.in-addr.arpa

32.81.38.in-addr.arpa

100.81.38.in-addr.arpa

195.81.38.in-addr.arpa

68.81.38.in-addr.arpa

36.81.38.in-addr.arpa

65.81.38.in-addr.arpa

131.81.38.in-addr.arpa

192.81.38.in-addr.arpa

162.81.38.in-addr.arpa

130.81.38.in-addr.arpa

176.81.38.in-addr.arpa

Starts with same word

81.sk

81.co.uk

81.la

81.world

81.hk

81.se

81.cm

81.fr

81.cc

81.be

81.in-addr.arpa

81.to

81.cool

81.mil.cn

81.plus

81.de

81.biz

81.chat

81.me

81.gs

81.cz

81.ph

81.lt

81.pl

81.ws

81.fyi

81.nu

81.no

81.ca

81.com.hk

81.cx

81.amsterdam

81.cn

81.cl

81.com

Starts similarily

18.md

81.to

18.org

81.cool

18.fr

18.com

18.sk

81.mil.cn

81.plus

18.group

81.de

18.plus

81.biz

81.chat

81.me

18.kz

81.gs

18.tl

18.al

81.cz

81.ph

81.lt

18.eu

18.de

81.pl

18.co

18.lt

18.app

18.tel

18.cool

18.uz

18.no

18.in-addr.arpa

81.ws

18.lc

18.gs

18.githubusercontent.com

81.fyi

81.nu

18.world

81.no

81.ca

81.com.hk

18.ph

18.watch

81.cx

18.com.cn

18.ca

18.cc

18.ws

18.network

18.com.tw

18.com.pl

81.amsterdam

18.com.tr

18.amsterdam

81.cn

18.chat

18.dk

18.tech

81.cl

18.digital

18.ms

81.com

18.money

81.sk

18.show

18.cz

18.com.hk

18.nl

18.vip

81.co.uk

81.la

18.net.au

81.world

81.hk

81.se

18.fi

18.tv

81.cm

18.pe

18.rs

18.cn

81.fr

18.hu

18.hk

18.pl

81.cc

18.cl

18.ag

81.be

81.in-addr.arpa

18.dating

AI analysis

81.38.in-addr.arpa is a parent of 108.81.38.in-addr.arpa, 102.81.38.in-addr.arpa, 158.81.38.in-addr.arpa, 112.81.38.in-addr.arpa, 32.81.38.in-addr.arpa and a few other host names.

81.38.in-addr.arpa's delegation uses two name servers, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

81.38.in-addr.arpa shares the same name server setup as other domains, for example 20.103.38.in-addr.arpa, 225.174.65.in-addr.arpa, 3.13.199.in-addr.arpa, 212.97.204.in-addr.arpa and 41.222.203.in-addr.arpa.

81.38.in-addr.arpa at least partially shares name servers with other domains, including autogistics.org, ups.cd, 139.41.206.in-addr.arpa, 226.183.206.in-addr.arpa and roppe.net.

These name servers are typically used together with the name servers nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns3.ionet.net, ns4.ionet.net, ns5.ionet.net, ns6.ionet.net, ns1.fnsi.net and ns2.fnsi.net.

Host names with two IPs:

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