MXLIST.NET - 23.173.in-addr.arpa

Search for IP or hostnames:

23.173.in-addr.arpa checked at 2025-11-17T06:29:29.571Z 125ms 64/64/64 100% R:11 allDone:true timedOut:false

`23.173.in-addr.arpa`

NS	`pdns104.ultradns.biz`
		A	2610:a1:1015::8c ^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.biz`
		A	156.154.66.104^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.biz`
NS	`pdns104.ultradns.com`
		A	2001:502:f3ff::8c ^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.com`
		A	156.154.64.104^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.com`
NS	`pdns104.ultradns.net`
		A	2610:a1:1014::8c ^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.net`
		A	156.154.65.104^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.net`
NS	`pdns104.ultradns.org`
		A	2001:502:4612::8c ^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.org`
		A	156.154.67.104^{🇺🇸 Neustar}
			PTR	`pdns104.ultradns.org`

`173.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

23.me.uk

23.sg

23.digital

23.zone

23.land

23.cc

23.marketing

23.rs

23.de

23.gd

23.cx

23.legal

23.no

23.agency

23.ro

23.com.au

23.photos

23.biz

23.vc

23.org

23.cl

23.ua

23.co.uk

23.fr

23.us.org

23.ag

23.design

23.gold

23.cool

23.gs

23.lv

23.su

23.team

23.in-addr.arpa

23.church

23.ms

23.si

23.nu

23.am

23.tf

23.hk

23.business

23.co.kr

23.be

23.ee

23.red

23.ca

23.fi

23.st

23.com.ua

23.is

23.cn

23.by

23.bergen.no

23.ru

23.tel

23.se

Starts similarily

32.lv

32.bet

23.cn

23.by

23.bergen.no

23.ru

23.tel

23.se

32.ee

23.me.uk

32.nu

32.ws

32.ro

32.cx

32.su

23.sg

32.medecin.fr

32.ph

23.digital

32.nl

23.zone

23.land

23.cc

23.marketing

32.mk

23.rs

23.de

23.gd

23.cx

23.legal

23.no

23.agency

32.in-addr.arpa

32.ca

32.plus

23.ro

32.com.es

23.com.au

23.photos

32.gold

23.biz

32.se

23.vc

32.ms

32.synology.me

23.org

32.org.uk

23.cl

23.ua

23.co.uk

23.fr

23.us.org

23.ag

32.dk

32.com.ua

23.design

23.gold

23.cool

23.gs

23.lv

32.com

32.ru

23.su

23.team

32.rs

23.in-addr.arpa

32.by

32.cn

23.church

32.no

23.ms

32.tel

32.bz

32.be

23.si

23.nu

32.com.tr

23.am

23.tf

32.lt

23.hk

23.business

23.co.kr

32.de

23.be

23.ee

23.red

23.ca

32.pl

23.fi

23.st

32.chat

23.com.ua

32.ma

32.fr

32.cc

32.cl

23.is

AI analysis

23.173.in-addr.arpa is delegated to four name servers: pdns104.ultradns.biz, pdns104.ultradns.com, pdns104.ultradns.net and pdns104.ultradns.org.

23.173.in-addr.arpa shares some name servers with other domains, for example tonglecheng288.com, eplus.com, leyu2770.com, 208.178.108.in-addr.arpa and 48.142.63.in-addr.arpa.

These name servers are commonly used together with ns68.ultradns2.com and ns68.ultradns2.org.

Host names with two IP numbers

Two IPs per host:

pdns104.ultradns.biz points to 2610:a1:1015::8c and 156.154.66.104

pdns104.ultradns.com points to 2001:502:f3ff::8c and 156.154.64.104

pdns104.ultradns.net points to 2610:a1:1014::8c and 156.154.65.104

pdns104.ultradns.org points to 2001:502:4612::8c and 156.154.67.104

dbq