MXLIST.NET - 81.165.in-addr.arpa

Search for IP or hostnames:

81.165.in-addr.arpa checked at 2025-10-28T15:26:40.648Z 115ms 47/47/47 100% R:12

`81.165.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`

`165.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`

Starts with same word

81.fyi

81.nu

81.ca

81.com.hk

81.cx

81.amsterdam

81.cn

81.cl

81.com

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.plus

81.de

81.waw.pl

81.biz

81.me

81.gs

81.cz

81.ph

81.lt

81.pl

81.ws

Starts similarily

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

81.be

81.in-addr.arpa

18.dating

18.md

81.to

18.org

81.cool

18.fr

18.com

18.sk

81.plus

18.group

81.de

81.waw.pl

18.plus

81.biz

81.me

18.kz

81.gs

18.tl

18.al

81.cz

81.ph

81.lt

18.eu

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.githubusercontent.com

81.fyi

81.nu

18.world

81.ca

81.com.hk

18.ph

18.watch

81.cx

18.com.cn

18.ca

18.ws

18.network

18.com.tw

18.com.pl

81.amsterdam

AI analysis

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

81.165.in-addr.arpa shares the same name server setup as 64.46.154.in-addr.arpa, opsba.org, 43.114.38.in-addr.arpa, ultitech.com and 3.69.38.in-addr.arpa.

81.165.in-addr.arpa at least partially shares name servers with other domains, for instance 152.37.195.in-addr.arpa, schneiderjobs.com, gsb.columbia.edu, wincraftsports.com and schneidertech.com.

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