WWW.RTSAK.COM - 21.38.in-addr.arpa

Search for IP or hostnames:

21.38.in-addr.arpa checked at 2025-11-20T04:18:53.000Z 110ms 50/50/50 100% R:11 allDone:true timedOut:false

`21.38.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

46.21.38.in-addr.arpa

25.21.38.in-addr.arpa

198.21.38.in-addr.arpa

29.21.38.in-addr.arpa

23.21.38.in-addr.arpa

20.21.38.in-addr.arpa

21.21.38.in-addr.arpa

17.21.38.in-addr.arpa

18.21.38.in-addr.arpa

201.21.38.in-addr.arpa

168.21.38.in-addr.arpa

Starts with same word

21.fr

21.by

21.com.es

21.life

21.run

21.pw

21.org.cn

21.net

21.game

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

21.org

21.co.uk

21.vc

21.am

21.rs

21.com

21.bet

21.center

21.kz

21.web.app

21.su

21.network

21.si

21.ph

21.is

21.be

21.com.ua

21.pe

21.edu.ar

21.gg

21.capital

21.dk

21.email

21.sk

21.immo

21.cz

21.style

21.nl

21.agency

21.co

21.biz

21.lv

21.ru

21.co.za

21.finance

21.ax

21.nu

21.business

21.casino

21.pl

21.ee

21.tv

21.partners

21.to

21.ie

21.photos

21.cc

Starts similarily

21.com.es

21.life

12.cm

21.run

21.pw

12.world

21.org.cn

12.by

21.net

12.org.ua

12.works

21.game

12.uz

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

12.com.pl

12.com

21.ca

12.ca

21.org

12.sh.cn

12.ru

21.co.uk

12.limo

21.vc

21.am

12.biz

21.rs

12.to

21.com

12.net

21.bet

12.at

21.center

21.kz

12.ws

12.s3.amazonaws.com

21.web.app

21.su

21.network

21.si

21.ph

12.lv

21.is

21.be

21.com.ua

12.cl

12.ph

12.ma

12.rs

21.pe

21.edu.ar

21.gg

21.capital

12.de

12.in-addr.arpa

21.dk

12.ag

21.email

12.kz

12.ie

12.com.ua

21.sk

12.cz

21.immo

12.eu

21.cz

12.uk

21.style

12.city

12.dk

21.nl

21.agency

12.org.ru

12.nu

21.co

21.biz

21.lv

21.ru

21.co.za

12.ai

21.finance

12.hk

21.ax

12.amsterdam

12.fr

21.nu

21.business

12.vc

21.casino

21.pl

21.ee

12.am

12.agency

12.digital

12.ac.cn

12.lt

21.tv

12.si

21.partners

21.to

21.ie

21.photos

21.cc

12.be

12.fi

12.cc

12.is

21.fr

12.chat

21.by

12.solutions

12.dyndns.tv

AI analysis

21.38.in-addr.arpa is a parent of 46.21.38.in-addr.arpa, 25.21.38.in-addr.arpa, 198.21.38.in-addr.arpa, 29.21.38.in-addr.arpa, 23.21.38.in-addr.arpa and a few other host names.

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

21.38.in-addr.arpa shares the same name server setup as other domains, for example 24.221.38.in-addr.arpa, par08.atlas.cogentco.com, 0.61.209.in-addr.arpa, 1.111.38.in-addr.arpa and 132.92.38.in-addr.arpa.

21.38.in-addr.arpa at least partially shares name servers with other domains, including upsquantumview.com, 142.41.206.in-addr.arpa, motorcargo.biz, rbb24.de and rbb-online.info.

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