WWW.RTSAK.COM - 51.38.in-addr.arpa

Search for IP or hostnames:

51.38.in-addr.arpa checked at 2025-11-20T21:00:51.108Z 113ms 50/50/50 100% R:11 allDone:true timedOut:false

`51.38.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

135.51.38.in-addr.arpa

52.51.38.in-addr.arpa

206.51.38.in-addr.arpa

134.51.38.in-addr.arpa

50.51.38.in-addr.arpa

70.51.38.in-addr.arpa

Starts with same word

51.hu

51.to

51.wtf

51.world

51.com.tw

51.de

51.cz

51.chat

51.win

51.ru

51.gs

51.is

51.eu

51.cool

51.biz

51.vg

51.tv

51.gold

51.be

51.org

51.su

51.am

51.ie

51.cc

51.fr

51.pl

51.ca

51.nu

51.fyi

51.al

51.com.ua

51.lv

51.net

51.la

51.in-addr.arpa

51.fi

51.school

51.bet

51.hk

51.ro

51.dp.ua

51.com

51.wf

51.ph

51.se

51.com.br

51.com.tr

51.ws

51.com.hk

51.lt

Starts similarily

51.be

51.org

15.wtf

15.fyi

15.net

15.pl

15.cz

51.su

51.am

15.sk

51.ie

51.cc

51.fr

15.su

51.pl

15.no

51.ca

51.nu

15.is

15.eu

15.hu

15.by

51.fyi

15.ai

15.business

15.org.ua

51.al

51.com.ua

15.football

15.be

51.lv

15.fi

15.energy

51.net

51.la

15.com

51.in-addr.arpa

15.org

51.fi

51.school

51.bet

15.chat

15.la

15.xyz

51.hk

15.com.mx

51.ro

15.ph

51.dp.ua

51.com

15.lv

15.de

51.wf

51.ph

51.se

51.com.br

51.com.tr

51.ws

15.gold

15.ee

15.tel

51.com.hk

51.lt

15.cn

51.hu

51.to

15.nl

15.ie

51.wtf

15.com.ua

15.in-addr.arpa

51.world

15.com.tw

51.com.tw

51.de

15.ro

15.hk

15.se

51.cz

51.chat

15.am

15.ae

51.win

51.ru

15.graphics

51.gs

15.io

51.is

15.app

15.biz

51.eu

51.cool

15.com.tr

51.biz

51.vg

51.tv

15.ca

15.uk

15.cl

15.rs

51.gold

AI analysis

The parent of 135.51.38.in-addr.arpa, 52.51.38.in-addr.arpa, 206.51.38.in-addr.arpa, 134.51.38.in-addr.arpa, 50.51.38.in-addr.arpa and a few other host names is 51.38.in-addr.arpa.

51.38.in-addr.arpa has two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.

51.38.in-addr.arpa shares the same name server setup as other domains, for example brq01.atlas.cogentco.com, 41.111.38.in-addr.arpa, 93.112.38.in-addr.arpa, 63.112.38.in-addr.arpa and 33.38.in-addr.arpa.

51.38.in-addr.arpa shares some name servers with other domains, for example jazzstudiesonline.org, radioeins.de, ssmi.biz, deliverydefense.com and nga.org.

These name servers are often used together with ns1.vodafone-ip.de, ns2.vodafone-ip.de, nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, auth4.dns.cogentco.com, auth5.dns.cogentco.com and ext-ns1.columbia.edu.

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