IPLIST.NET - 81.56.154.in-addr.arpa

Search for IP or hostnames:

81.56.154.in-addr.arpa checked at 2025-11-26T21:00:31.064Z 119ms 50/50/50 100% R:11 allDone:true timedOut:false

`81.56.154.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`

`56.154.in-addr.arpa`

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

Up

125.81.56.154.in-addr.arpa

111.81.56.154.in-addr.arpa

126.81.56.154.in-addr.arpa

114.81.56.154.in-addr.arpa

72.81.56.154.in-addr.arpa

97.81.56.154.in-addr.arpa

71.81.56.154.in-addr.arpa

110.81.56.154.in-addr.arpa

112.81.56.154.in-addr.arpa

96.81.56.154.in-addr.arpa

98.81.56.154.in-addr.arpa

Starts with same word

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

81.sk

Starts similarily

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

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

AI analysis

81.56.154.in-addr.arpa is a parent of 125.81.56.154.in-addr.arpa, 111.81.56.154.in-addr.arpa, 126.81.56.154.in-addr.arpa, 114.81.56.154.in-addr.arpa, 72.81.56.154.in-addr.arpa and a few other host names.

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle the delegation for 81.56.154.in-addr.arpa.

81.56.154.in-addr.arpa shares the same name server setup as other domains, for example 97.108.38.in-addr.arpa, 2.115.38.in-addr.arpa, 100.199.in-addr.arpa, 165.233.206.in-addr.arpa and 235.108.38.in-addr.arpa.

81.56.154.in-addr.arpa at least partially shares name servers with other domains, for example dradiowissen.de, kakadu.de, 83.193.38.in-addr.arpa, 114.231.67.in-addr.arpa and infonotice.org.

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