MXLIST.NET - 173.128.in-addr.arpa

Search for IP or hostnames:

173.128.in-addr.arpa checked at 2025-10-18T10:22:02.278Z 575ms 64/64/64 100% R:12

`173.128.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`
NS	`clature.cns.vt.edu`
		A	2001:468:c80:6101:0:100:0:65 ^{🇺🇸 Virginia Polytechnic Institute and State Univ.}
			PTR	`clature.cns.ipv6.vt.edu`
			PTR	`spittlebug.cns.ipv6.vt.edu`
		A	198.82.247.101^{🇺🇸 Virginia Polytechnic Institute and State Univ.}
			PTR	`clature.cns.vt.edu`
NS	`nomen.cns.vt.edu`
		A	2607:b400:e0:2010:0:100:0:25 ^{🇺🇸 Virginia Polytechnic Institute and State Univ.}
			PTR	`lacewing.cns.ipv6.vt.edu`
			PTR	`nomen.cns.ipv6.vt.edu`
		A	198.82.247.201^{🇺🇸 Virginia Polytechnic Institute and State Univ.}
			PTR	`nomen.cns.vt.edu`

`128.in-addr.arpa`

	NS	`r.arin.net`
	NS	`u.arin.net`
	NS	`x.arin.net`
	NS	`y.arin.net`
	NS	`z.arin.net`
	NS	`arin.authdns.ripe.net`

Starts with same word

173.in-addr.arpa

173.tv

173.in

173.com.ua

173.tw

173.ir

173.com.tw

173.com

173.hu

173.by

173.cz

173.chat

173.cl

173.us

173.la

173.one

173.host

173.org

173.biz

173.net

173.jp

173.co

173.fr

173.nl

173.eu

173.ca

173.cool

173.hk

173.cn

173.dk

173.de

173.io

173.me

Starts similarily

173.com.tw

713.cz

173.com

173.hu

137.online

317.jp

731.it

713.com

317.in

173.by

371.jp

173.cz

173.chat

137.la

317.fr

713.net

137.at

371.net

713.me

371.cz

317.limo

317.is

173.cl

173.us

713.eu

371.tv

731.eu

317.net

137.info

137.ro

137.de

731.net.cn

173.la

317.nl

137.ca

713.pl

731.de

713.in

137.co

317.us

317.com

137.org

371.company

173.one

317.it

173.host

317.ch

317.run

371.de

137.es

137.hu

173.org

173.biz

137.me

731.dk

137.nl

173.net

137.city

137.in-addr.arpa

173.jp

713.biz

713.mobi

317.today

731.com

317.tv

173.co

731.cn

137.ph

731.tv

317.ie

173.fr

137.by

713.ru

317.gr

173.nl

317.ink

173.eu

731.me

173.ca

173.cool

173.hk

173.cn

173.dk

137.be

137.com

173.de

713.de

137.dk

137.it

731.co.uk

173.io

173.me

137.ink

137.pl

371.com

731.cz

137.rehab

713.cn

173.in-addr.arpa

371.cn

AI analysis

173.128.in-addr.arpa is delegated to four name servers: auth1.dns.cogentco.com, auth2.dns.cogentco.com, clature.cns.vt.edu and nomen.cns.vt.edu.

173.128.in-addr.arpa shares name servers with other domains at least partially, for instance 39.160.in-addr.arpa, 30.40.206.in-addr.arpa, t-mobile.com, 53.164.65.in-addr.arpa and 112.246.38.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, ext-ns1.columbia.edu, auth4.dns.cogentco.com and auth5.dns.cogentco.com.

Host names with two IP numbers:

auth1.dns.cogentco.com resolves to 2001:550:1:a::d and 66.28.0.14.

auth2.dns.cogentco.com resolves to 2001:550:1:b::d and 66.28.0.30.

clature.cns.vt.edu resolves to 2001:468:c80:6101:0:100:0:65 and 198.82.247.101.

nomen.cns.vt.edu resolves to 2607:b400:e0:2010:0:100:0:25 and 198.82.247.201.

dbq