DNSWHOIS.INFO - 91.4.204.in-addr.arpa

Search for IP or hostnames:

91.4.204.in-addr.arpa checked at 2025-11-02T03:31:10.337Z 442ms 47/47/47 100% R:10

`91.4.204.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`

`4.204.in-addr.arpa`

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

Starts with same word

91.biz

91.com.tr

91.ca

91.ro

91.hn.cn

91.cm

91.si

91.ag

91.ax

91.amsterdam

91.agency

91.life

91.hu

91.cc

91.nl

91.digital

91.chat

91.ee

91.hk

91.lt

91.no

91.pl

91.cz

91.cx

91.gs

91.com.vn

91.yt

91.ru

91.com.cn

91.club

91.ph

91.wtf

91.sh.cn

91.sk

91.com

91.net

91.city

91.fyi

91.porn

91.com.hk

91.se

91.gold

91.cn

91.be

91.lv

91.in-addr.arpa

91.co

91.money

91.cn.com

91.dk

91.org

91.lc

91.de

91.cool

91.fr

Starts similarily

19.ca

91.gold

91.cn

19.ro

91.be

91.lv

91.in-addr.arpa

91.co

19.rs

91.money

19.to

91.cn.com

91.dk

91.org

19.co.kr

19.nl

19.eu

91.lc

91.de

91.cool

19.herokuapp.com

91.fr

91.biz

91.com.tr

19.cc

19.cm

91.ca

91.ro

19.lt

91.hn.cn

91.cm

91.si

91.ag

19.cl

91.ax

19.in-addr.arpa

19.amsterdam

91.amsterdam

19.world

19.com.cn

19.codes

19.org

19.biz

91.agency

19.com.au

91.life

19.be

91.hu

19.net.ua

91.cc

91.nl

91.digital

19.la

19.co.uk

91.chat

91.ee

91.hk

19.no

91.lt

91.no

19.xxx

91.pl

19.lv

91.cz

19.cn

91.cx

19.gold

91.gs

19.football

19.su

91.com.vn

91.yt

91.ru

19.sk

19.net

19.fi

91.com.cn

19.coop

91.club

91.ph

19.ph

19.by

19.vg

91.wtf

19.de

91.sh.cn

19.gg

91.sk

91.com

91.net

19.fr

19.dk

91.city

91.fyi

91.porn

91.com.hk

19.ee

19.se

91.se

19.wtf

AI analysis

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle delegation for 91.4.204.in-addr.arpa.

91.4.204.in-addr.arpa uses the same name server setup as other domains, for example 216.218.38.in-addr.arpa, 152.112.38.in-addr.arpa, fordstheatre.net, 187.160.38.in-addr.arpa and 6.68.38.in-addr.arpa.

91.4.204.in-addr.arpa partially shares name servers with other domains; examples include ups.at, theupsstore.com.mx, meinfritz.de, ups.sg and maxitrac.com.

These name servers are commonly used 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 and ns2.vodafone-ip.de.

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