DNSWHOIS.INFO - 81.80.38.in-addr.arpa

Search for IP or hostnames:

81.80.38.in-addr.arpa checked at 2025-11-06T13:28:26.907Z 195ms 50/50/50 100% R:13

`81.80.38.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`

`80.38.in-addr.arpa`

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

Up

251.81.80.38.in-addr.arpa

Starts with same word

81.world

81.hk

81.se

81.cm

81.fr

81.cc

81.org

81.be

81.in-addr.arpa

81.to

81.cool

81.mil.cn

81.plus

81.de

81.waw.pl

81.biz

81.me

81.gs

81.cz

81.ph

81.lt

81.pl

81.ws

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

Starts similarily

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

81.cc

18.cl

81.org

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

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

18.de

81.pl

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.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

AI analysis

81.80.38.in-addr.arpa is the parent of 251.81.80.38.in-addr.arpa.

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

81.80.38.in-addr.arpa shares the same name server setup as other domains, for example 127.101.38.in-addr.arpa, 237.101.38.in-addr.arpa, 208.100.38.in-addr.arpa, ndm.edu and 201.114.38.in-addr.arpa.

81.80.38.in-addr.arpa at least partially shares name servers with other domains, including bigbrown.org, 74.44.209.in-addr.arpa, upsts.com, ups.se and ups-scs.com.

These name servers are often used together 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 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