WWW.RTSAK.COM - 21.104.128.in-addr.arpa

Search for IP or hostnames:

21.104.128.in-addr.arpa checked at 2025-10-05T06:06:02.991Z 202ms 76/76/76 100% R:14

`21.104.128.in-addr.arpa`

NS	`adns1.doit.wisc.edu`
		A	2607:f388::a53:1 ^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns1-v6.doit.wisc.edu`
		A	2607:f388:2:2001::100a ^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns1.doit.wisc.edu`
		A	144.92.9.21^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns1.doit.wisc.edu`
NS	`adns2.doit.wisc.edu`
		A	2607:f388::a53:2 ^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns2-v6.doit.wisc.edu`
		A	2607:f388:d:2::1006 ^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns2.doit.wisc.edu`
		A	144.92.20.99^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns2.doit.wisc.edu`
NS	`adns3.doit.wisc.edu`
		A	2607:f388::a53:3 ^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns3-v6.doit.wisc.edu`
		A	2607:f388:2:2001::100b ^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns3.doit.wisc.edu`
		A	144.92.104.21^{🇺🇸 University of Wisconsin - Madison}
			PTR	`adns3.doit.wisc.edu`
NS	`adns4.doit.wisc.edu`
		A	2620:0:d60:6::12 ^{🇺🇸 Rutgers University}
			PTR	`adns4.doit.wisc.edu`
		A	128.6.1.132^{🇺🇸 Rutgers University}
			PTR	`adns4.doit.wisc.edu`

`104.128.in-addr.arpa`

	NS	`adns1.doit.wisc.edu`
	NS	`adns2.doit.wisc.edu`
	NS	`adns3.doit.wisc.edu`
	NS	`adns4.doit.wisc.edu`

Up

149.21.104.128.in-addr.arpa

151.21.104.128.in-addr.arpa

152.21.104.128.in-addr.arpa

Starts with same word

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

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

Starts similarily

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

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

12.life

21.style

12.city

12.dk

21.nl

21.agency

12.org.ru

AI analysis

21.104.128.in-addr.arpa is a parent of 149.21.104.128.in-addr.arpa, 151.21.104.128.in-addr.arpa and 152.21.104.128.in-addr.arpa.

21.104.128.in-addr.arpa is delegated to four name servers: adns1.doit.wisc.edu, adns2.doit.wisc.edu, adns3.doit.wisc.edu and adns4.doit.wisc.edu.

At least part of the name servers for 21.104.128.in-addr.arpa are shared with other domains, for instance wisctest.wisc.edu, center4design.wisc.edu, international.wisc.edu, 3.104.128.in-addr.arpa and mlit.wisc.edu.

Host names with three IP numbers:

The host name adns1.doit.wisc.edu points to 2607:f388::a53:1, 2607:f388:2:2001::100a and 144.92.9.21.

The host name adns2.doit.wisc.edu points to 2607:f388::a53:2, 2607:f388:d:2::1006 and 144.92.20.99.

The host name adns3.doit.wisc.edu points to 2607:f388::a53:3, 2607:f388:2:2001::100b and 144.92.104.21.

Host names with two IP numbers:

The host name adns4.doit.wisc.edu points to 2620:0:d60:6::12 and 128.6.1.132.

dbq