DNSWHOIS.INFO - 203.137.204.in-addr.arpa

Search for IP or hostnames:

203.137.204.in-addr.arpa checked at 2025-10-25T04:35:14.224Z 474ms 47/47/47 100% R:8

`203.137.204.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`

`137.204.in-addr.arpa`

Starts with same word

203.se

203.de

203.cc

203.com

203.pl

203.tel

203.cz

203.tv

203.me

203.ca

203.am

203.one

203.it

203.eu

203.in-addr.arpa

203.ph

203.bet

203.org

203.in

203.nu

203.fr

203.ws

Starts similarily

230.la

023.cn

023.se

302.nl

023.ink

203.tel

203.cz

023.org.cn

032.io

320.de

320.ca

230.in-addr.arpa

230.ph

320.io

023.fr

302.no

302.cl

203.tv

023.cc

302.de

302.io

023.city

320.ru

230.tv

203.me

203.ca

203.am

023.com

302.at

032.se

023.pl

032.vg

032.eu

023.com.ar

032.cn

320.coach

230.cc

023.vin

320.ch

230.cz

320.in

320.la

203.one

032.co.kr

032.be

032.net

302.co

203.it

023.eu

023.im

032.la

230.ca

302.eu

023.biz

032.ph

302.ru

302.cz

032.nl

023.gr

023.bid

023.org

203.eu

320.co.uk

230.hu

320.cc

302.lt

302.ca

203.in-addr.arpa

023.hr

320.co

320.org

230.net.cn

203.ph

230.ch

032.tel

302.tv

320.us

032.su

230.dental

032.org

203.bet

230.de

032.app

032.pl

032.ru

032.org.uk

032.ua

203.org

302.red

203.in

032.fr

230.bet

320.life

302.pl

023.us

203.nu

032.com

203.fr

023.cm

230.com.ua

032.it

023.co.nz

302.cool

302.cc

023.chat

230.by

023.ru

302.am

302.com

203.ws

302.in

203.se

023.info

032.uk

203.de

023.design

230.pl

203.cc

302.im

032.am

320.dk

032.es

032.pp.ua

320.nl

032.tv

032.xyz

230.org

230.net

302.cm

230.ru

302.zone

023.nl

023.link

032.cl

023.la

230.ro

032.kr

203.com

230.es

302.to

302.biz

302.technology

320.me

230.co

230.co.il

032.de

230.us

230.com

302.is

023.jp

203.pl

023.rs

302.hu

AI analysis

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle delegation for 203.137.204.in-addr.arpa.

203.137.204.in-addr.arpa uses the same name server setup as other domains, for example 194.82.38.in-addr.arpa, 37.21.208.in-addr.arpa, 89.104.38.in-addr.arpa, 202.108.38.in-addr.arpa and 48.178.38.in-addr.arpa.

203.137.204.in-addr.arpa partially shares name servers with other domains; examples include core.hbci.com, 78.195.91.in-addr.arpa, 69.234.199.in-addr.arpa, ard-hauptstadtstudio.de and ups.jobs.

These name servers are commonly used alongside 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, pulsar2.hbci.com, pulsar3.hbci.com, pulsar.hbci.com and dns.luminet.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

dbq