MXLIST.NET - 21.251.77.in-addr.arpa

Search for IP or hostnames:

21.251.77.in-addr.arpa checked at 2025-10-31T05:32:50.439Z 534ms 44/44/44 100% R:9

`21.251.77.in-addr.arpa`

NS	`rns1.upc.biz`
		A	2001:730:3e12::134 ^{🇳🇱 LibertyGlobal}
		A	195.34.133.134^{🇦🇹 LibertyGlobal}
			PTR	`rns1.upc.biz`
NS	`rns2.upc.biz`
		A	2001:730:3e12:1000::134 ^{🇳🇱 LibertyGlobal}
		A	213.47.222.134^{🇳🇱 LibertyGlobal}
			PTR	`rns2.upc.biz`

`251.77.in-addr.arpa`

	NS	`rns1.upc.biz`
	NS	`rns2.upc.biz`

Up

15.21.251.77.in-addr.arpa

36.21.251.77.in-addr.arpa

Starts with same word

21.sk

21.immo

21.cz

21.style

21.nl

21.agency

21.co

21.biz

21.lv

21.ru

21.finance

21.ax

21.nu

21.business

21.casino

21.pl

21.ee

21.tv

21.partners

21.to

21.ie

21.photos

21.cc

21.fr

21.by

21.com.es

21.life

21.run

21.org.cn

21.net

21.game

21.la

21.diamonds

21.cn

21.de

21.training

21.ca

21.org

21.co.uk

21.vc

21.am

21.rs

21.com

21.bet

21.center

21.kz

21.web.app

21.su

21.network

21.si

21.ph

21.is

21.be

21.com.ua

21.pe

21.edu.ar

21.gg

21.capital

21.dk

21.email

Starts similarily

12.fr

21.nu

21.business

12.vc

21.casino

21.pl

21.ee

12.am

12.agency

12.digital

12.ac.cn

12.lt

21.tv

12.si

21.partners

21.to

21.ie

21.photos

21.cc

12.be

12.fi

12.cc

12.is

21.fr

12.chat

21.by

12.solutions

12.dyndns.tv

21.com.es

21.life

12.cm

21.run

12.world

21.org.cn

12.by

21.net

12.org.ua

12.works

21.game

12.uz

21.la

21.diamonds

21.cn

21.de

21.training

12.com.pl

12.com

21.ca

12.ca

21.org

12.sh.cn

12.ru

21.co.uk

12.limo

21.vc

21.am

12.biz

21.rs

12.to

21.com

12.net

21.bet

12.at

21.center

21.kz

12.s3.amazonaws.com

21.web.app

21.su

21.network

21.si

21.ph

12.lv

21.is

21.be

21.com.ua

12.cl

12.ph

12.ma

12.rs

21.pe

21.edu.ar

21.gg

21.capital

12.de

12.in-addr.arpa

21.dk

12.ag

21.email

12.kz

12.com.ua

21.sk

12.cz

21.immo

12.eu

21.cz

12.uk

21.style

12.city

12.dk

21.nl

21.agency

12.org.ru

12.nu

21.co

21.biz

21.lv

21.ru

12.ai

21.finance

12.hk

21.ax

12.amsterdam

AI analysis

21.251.77.in-addr.arpa is a parent of 15.21.251.77.in-addr.arpa and 36.21.251.77.in-addr.arpa.

Two name servers rns1.upc.biz and rns2.upc.biz are delegated to 21.251.77.in-addr.arpa.

21.251.77.in-addr.arpa uses the same name server configuration as other domains, such as 43.168.83.83.in-addr.arpa, 234.2.72.82.in-addr.arpa, 129.72.82.in-addr.arpa, 18.82.83.in-addr.arpa and 244.237.211.94.in-addr.arpa.

Host names with two IPs:

rns1.upc.biz points to 2001:730:3e12::134 and 195.34.133.134.

rns2.upc.biz points to 2001:730:3e12:1000::134 and 213.47.222.134.

dbq