DNSWHOIS.INFO - 121.13.38.in-addr.arpa

Search for IP or hostnames:

121.13.38.in-addr.arpa checked at 2025-11-06T20:41:36.521Z 170ms 50/50/50 100% R:9

`121.13.38.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`

`13.38.in-addr.arpa`

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

Up

231.121.13.38.in-addr.arpa

157.121.13.38.in-addr.arpa

Starts with same word

121.jp

121.nu

121.wtf

121.it

121.com.cn

121.news

121.health

121.com.pl

121.support

121.global

121.zone

121.design

121.at

121.mx

121.expert

121.com.tw

121.ws

121.ag

121.am

121.cc

121.com.au

121.fr

121.agency

121.ru

121.eu

121.ca

121.fi

121.se

121.church

121.la

121.services

121.care

121.ltd

121.de

121.biz

121.info

121.systems

121.ro

121.co

121.bz

121.sk

121.com

121.chat

121.li

121.cool

121.me

121.education

121.cm

121.lt

121.group

121.fm

121.co.uk

121.in-addr.arpa

121.digital

121.cafe

Starts similarily

211.ltd

112.se

112.wiki

121.co

211.one

112.is

121.bz

112.com

112.net

211.university

211.cn

211.com

112.kiwi

112.co

121.sk

211.mx

112.ca

112.ski

121.com

112.dk

112.network

121.chat

211.ph

121.li

112.com.vn

121.cool

121.me

112.es

112.ge

121.education

112.vn

112.today

211.in-addr.arpa

121.cm

112.hu

112.toys

121.lt

211.tw

112.lt

121.group

121.fm

112.ro

211.online

112.cz

211.in

112.cc

112.me

112.la

211.net

112.social

112.hamburg

121.co.uk

112.su

112.fi

112.in-addr.arpa

121.in-addr.arpa

121.digital

112.ie

121.cafe

211.de

211.su

112.barcelona

112.biz

121.jp

211.es

121.nu

121.wtf

211.se

112.ua

112.ru

121.it

121.com.cn

211.la

211.ca

211.chat

211.com.ua

121.news

112.tv

121.health

112.mine.nu

121.com.pl

121.support

121.global

121.zone

112.pt

112.press

112.hr

112.de

121.design

121.at

112.md

112.agency

112.kiev.ua

211.ru

112.fm

121.mx

211.info

121.expert

121.com.tw

112.li

AI analysis

121.13.38.in-addr.arpa is parent of 231.121.13.38.in-addr.arpa and 157.121.13.38.in-addr.arpa.

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

121.13.38.in-addr.arpa shares the same name server setup as other domains, for example 250.57.154.in-addr.arpa, 73.38.in-addr.arpa, 89.117.130.in-addr.arpa, 136.126.38.in-addr.arpa and 224.71.66.in-addr.arpa.

121.13.38.in-addr.arpa at least partially shares name servers with other domains, including mcdistribution.us, barnard.edu, renegadetech.com, 93.115.209.in-addr.arpa and canadahealthinfoway.org.

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

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