IPLIST.NET - 251.1.206.in-addr.arpa

Search for IP or hostnames:

251.1.206.in-addr.arpa checked at 2025-10-14T15:31:54.924Z 568ms 47/47/47 100% R:12

`251.1.206.in-addr.arpa`

NS	`auth1.dns.cogentco.com`
		A	2001:550:1:a::d ^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth1.dns.cogentco.com`
		A	66.28.0.14^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth1.dns.cogentco.com`
NS	`auth2.dns.cogentco.com`
		A	2001:550:1:b::d ^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth2.dns.cogentco.com`
		A	66.28.0.30^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth2.dns.cogentco.com`

`1.206.in-addr.arpa`

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

Starts with same word

251.eu

251.com

251.at

251.us

251.ca

251.de

251.ru

251.sh

251.nl

251.com.cn

251.ph

251.in

251.cz

251.cc

251.fr

Starts similarily

521.co

251.cz

512.vin

125.tel

251.cc

125.be

521.it

125.cz

152.in

251.fr

521.moe

215.eu

125.in

215.tel

215.be

215.tech

152.jp

521.design

215.ir

251.eu

521.in

251.com

215.fi

125.dk

521.run

512.com.tw

521.me

215.de

152.nl

512.eu

125.nu

512.am

512.in

152.eu

512.hu

152.uk

512.group

125.cn

215.marketing

521.dk

152.cn

251.at

152.info

125.group

521.eu

125.tv

512.cz

521.shopping

125.us

521.net

512.se

251.us

512.ca

512.sk

152.at

125.co

512.la

152.de

215.es

521.de

521.fr

215.nl

215.dk

125.info

152.ph

125.hk

152.la

125.ca

512.one

251.ca

215.co

215.net

512.de

215.co.jp

512.red

125.se

512.email

215.it

215.ca

152.in-addr.arpa

521.ca

215.us

215.pw

512.dk

152.com

251.de

512.io

215.ru

521.one

521.com

215.la

152.org

521.jp

521.plus

512.pizza

125.es

125.ge

512.ink

152.fr

215.info

125.eu

251.ru

521.cafe

152.us

125.ch

512.tokyo

152.life

521.ru

152.be

521.cc

512.nl

512.it

521.gold

125.net

125.ru

152.tv

152.mobi

521.be

152.com.au

215.io

512.zone

125.vn

521.cn

512.cc

512.kz

125.in-addr.arpa

521.center

215.life

125.la

125.jp

512.net

125.at

152.io

251.sh

125.fr

251.nl

512.com.do

512.be

125.name

215.in-addr.arpa

251.com.cn

125.de

125.com

521.at

512.bike

512.biz

215.cn

125.nyc

152.co.il

251.ph

251.in

152.tel

125.ir

512.fr

215.pl

125.pl

512.ch

512.consulting

AI analysis

251.1.206.in-addr.arpa is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.

251.1.206.in-addr.arpa shares the same name server setup as 2.102.38.in-addr.arpa, 152.64.38.in-addr.arpa, 52.65.38.in-addr.arpa, 51.217.204.in-addr.arpa and 63.154.in-addr.arpa.

251.1.206.in-addr.arpa at least partially shares name servers with other domains, for instance suffolk.edu, jetcomm.net, 41.162.65.in-addr.arpa, 35.38.in-addr.arpa and 157.189.193.in-addr.arpa.

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, ns2.vodafone-ip.de and dnsauth1.suffolk.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