DNSWHOIS.INFO - 21.166.87.in-addr.arpa

Search for IP or hostnames:

21.166.87.in-addr.arpa checked at 2025-10-21T18:21:33.783Z 417ms 88/88/88 100% R:18

`21.166.87.in-addr.arpa`

NS	`dns01.dns.t-ipnet.de`
		A	2003:180:4:a:0:1:0:53 ^{🇩🇪 Deutsche Telekom}
		A	2003:180:4:a:0:1:3:53 ^{🇩🇪 Deutsche Telekom}
		A	194.25.2.171^{🇩🇪 Deutsche Telekom}
			PTR	`dns01.dns.t-ipnet.de`
		A	194.25.2.173^{🇩🇪 Deutsche Telekom}
			PTR	`dns05.dns.t-ipnet.de`
NS	`dns04.dns.t-ipnet.de`
		A	2003:180:4:a:0:1:1:53 ^{🇩🇪 Deutsche Telekom}
		A	2003:180:4:a:0:1:4:53 ^{🇩🇪 Deutsche Telekom}
		A	194.25.2.174^{🇩🇪 Deutsche Telekom}
			PTR	`dns04.dns.t-ipnet.de`
		A	194.25.2.175^{🇩🇪 Deutsche Telekom}
			PTR	`dns06.dns.t-ipnet.de`
NS	`dns40.dns.t-ipnet.de`
		A	2003:180:a:3000::53 ^{🇩🇪 Deutsche Telekom}
		A	212.185.24.149^{🇩🇪 Deutsche Telekom}
NS	`dns51.dns.t-ipnet.de`
		A	2003:180:4:10a:0:1:2:53 ^{🇩🇪 Deutsche Telekom}
		A	2003:180:4:10a:0:1:5:53 ^{🇩🇪 Deutsche Telekom}
		A	217.5.100.184^{🇩🇪 Deutsche Telekom}
			PTR	`dns51.dns.t-ipnet.de`
		A	217.5.100.187^{🇩🇪 Deutsche Telekom}
			PTR	`dns52.dns.t-ipnet.de`

`166.87.in-addr.arpa`

	NS	`pns.dtag.de`
	NS	`dns01.dns.t-ipnet.de`
	NS	`dns04.dns.t-ipnet.de`
	NS	`dns40.dns.t-ipnet.de`
	NS	`dns51.dns.t-ipnet.de`

Up

37.21.166.87.in-addr.arpa

141.21.166.87.in-addr.arpa

157.21.166.87.in-addr.arpa

76.21.166.87.in-addr.arpa

Starts with same word

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

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

Starts similarily

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

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

AI analysis

21.166.87.in-addr.arpa is a parent of 37.21.166.87.in-addr.arpa, 141.21.166.87.in-addr.arpa, 157.21.166.87.in-addr.arpa and 76.21.166.87.in-addr.arpa.

21.166.87.in-addr.arpa is delegated to four name servers: dns01.dns.t-ipnet.de, dns04.dns.t-ipnet.de, dns40.dns.t-ipnet.de and dns51.dns.t-ipnet.de.

21.166.87.in-addr.arpa shares some name servers with other domains, for example 39.224.217.in-addr.arpa, 37.192.93.in-addr.arpa, 16.230.93.in-addr.arpa, 193.239.79.in-addr.arpa and 116.182.87.in-addr.arpa.

Host names with four IP numbers:

dns01.dns.t-ipnet.de points to 2003:180:4:a:0:1:0:53, 2003:180:4:a:0:1:3:53, 194.25.2.171 and 194.25.2.173; dns04.dns.t-ipnet.de points to 2003:180:4:a:0:1:1:53, 2003:180:4:a:0:1:4:53, 194.25.2.174 and 194.25.2.175; dns51.dns.t-ipnet.de points to 2003:180:4:10a:0:1:2:53, 2003:180:4:10a:0:1:5:53, 217.5.100.184 and 217.5.100.187.

Host names with two IP numbers:

dns40.dns.t-ipnet.de points to 2003:180:a:3000::53 and 212.185.24.149.

dbq