DNSWHOIS.INFO - 21.81.80.in-addr.arpa

Search for IP or hostnames:

21.81.80.in-addr.arpa checked at 2025-10-22T04:48:52.763Z 227ms 63/63/63 100% R:14

`21.81.80.in-addr.arpa`

NS	`ns1.m-online.net`
		A	2001:a60:0:11::53 ^{🇩🇪 M-net}
			PTR	`ns1.m-online.net`
		A	212.18.0.8^{🇩🇪 M-net}
			PTR	`ns1.m-online.net`
NS	`ns2.m-online.net`
		A	212.18.3.8^{🇩🇪 M-net}
			PTR	`ns2.m-online.net`
NS	`ns3.m-online.net`
		A	2001:8d8:1801:8039::1 ^{🇩🇪 IONOS-AS}
			PTR	`ns3.m-online.net`
		A	217.160.41.67^{🇩🇪 IONOS-AS}
			PTR	`ns3.m-online.net`
NS	`ns4.m-online.net`
		A	2001:a60:0:20::53 ^{🇩🇪 M-net}
			PTR	`ns4.m-online.net`
		A	212.114.171.64^{🇩🇪 M-net}
			PTR	`ns4.m-online.net`

Up

245.21.81.80.in-addr.arpa

10.21.81.80.in-addr.arpa

219.21.81.80.in-addr.arpa

30.21.81.80.in-addr.arpa

238.21.81.80.in-addr.arpa

2.21.81.80.in-addr.arpa

71.21.81.80.in-addr.arpa

Starts with same word

21.by

21.com.es

21.life

21.run

21.pw

21.org.cn

21.net

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

21.bet

21.center

21.kz

21.web.app

21.su

21.network

21.si

21.gen.tr

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

Starts similarily

12.life

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

21.run

21.pw

12.world

21.org.cn

12.by

21.net

12.org.ua

12.works

12.uz

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

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

12.la

21.bet

12.at

21.center

21.kz

12.ws

12.s3.amazonaws.com

21.web.app

21.su

21.network

21.si

21.gen.tr

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

AI analysis

The parent of 245.21.81.80.in-addr.arpa, 10.21.81.80.in-addr.arpa, 219.21.81.80.in-addr.arpa, 30.21.81.80.in-addr.arpa, 238.21.81.80.in-addr.arpa and a few other host names is 21.81.80.in-addr.arpa.

21.81.80.in-addr.arpa is delegated to four name servers: ns1.m-online.net, ns2.m-online.net, ns3.m-online.net and ns4.m-online.net.

21.81.80.in-addr.arpa shares some name servers with other domains, for example aerzteportal-don.de, centraplus.at, nefsolo.de, m-net.de and schroeder-equities.de.

These name servers are commonly used alongside dns-001.securepoint.de, ns2.bayern.de, ns.bayern.de and ns.bmw.de.

Host names with two IP numbers:

ns1.m-online.net points to 2001:a60:0:11::53 and 212.18.0.8

ns3.m-online.net points to 2001:8d8:1801:8039::1 and 217.160.41.67

ns4.m-online.net points to 2001:a60:0:20::53 and 212.114.171.64

Host names with one IP number:

ns2.m-online.net points to 212.18.3.8

dbq