MXLIST.NET - 21.203.194.in-addr.arpa

Search for IP or hostnames:

21.203.194.in-addr.arpa checked at 2025-11-20T18:58:07.101Z 1161ms 50/50/50 100% R:9 allDone:true timedOut:false

`21.203.194.in-addr.arpa`

NS	`auth0020.ns.eu.uu.net`
		A	2001:600:1c0:e000::35:35 ^{🇳🇱 AS702}
			PTR	`auth0020.ns.eu.uu.net`
		A	158.43.129.102^{🇬🇧 AS702}
			PTR	`auth0020.ns.eu.uu.net`
NS	`auth0030.ns.eu.uu.net`
		A	2001:600:1c0:e001::35:35 ^{🇳🇱 AS702}
			PTR	`auth0030.ns.eu.uu.net`
		A	158.43.193.102^{🇬🇧 AS702}
			PTR	`auth0030.ns.eu.uu.net`

`203.194.in-addr.arpa`

	NS	`auth0020.ns.eu.uu.net`
	NS	`auth0030.ns.eu.uu.net`

Up

177.21.203.194.in-addr.arpa

Starts with same word

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

21.sk

21.immo

21.cz

21.style

21.nl

21.agency

21.co

21.biz

21.lv

21.ru

21.co.za

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.pw

21.org.cn

21.net

21.game

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

21.org

21.co.uk

21.vc

21.am

21.rs

21.com

Starts similarily

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.ws

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.ie

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

21.co.za

12.ai

21.finance

12.hk

21.ax

12.amsterdam

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

AI analysis

21.203.194.in-addr.arpa is a parent of 177.21.203.194.in-addr.arpa.

21.203.194.in-addr.arpa is delegated to two name servers: auth0020.ns.eu.uu.net and auth0030.ns.eu.uu.net.

21.203.194.in-addr.arpa uses the same name server setup as other domains, including 175.216.194.in-addr.arpa, 152.189.62.in-addr.arpa, 158.128.194.in-addr.arpa, sedsh.gov.uk and 157.189.62.in-addr.arpa.

At least part of the name servers for 21.203.194.in-addr.arpa are shared with other domains, for instance 212.128.194.in-addr.arpa, viessmann.com, rulebookpra.info, obo.de and vwd.com.

these name servers are often used together with the name servers auth20.ns.wcom.com, auth40.ns.uu.net, auth04.ns.de.uu.net, auth54.ns.de.uu.net, ns1.rrpproxy.net, ns2.rrpproxy.net, ns3.rrpproxy.net and ns.uu.net.

Host names with two IP numbers:

auth0020.ns.eu.uu.net points to 2001:600:1c0:e000::35:35 and 158.43.129.102.

auth0030.ns.eu.uu.net points to 2001:600:1c0:e001::35:35 and 158.43.193.102.

dbq