IPLIST.NET - 21.129.in-addr.arpa

Search for IP or hostnames:

21.129.in-addr.arpa checked at 2025-10-07T22:19:30.994Z 367ms 57/57/57 100% R:10

`21.129.in-addr.arpa`

NS	`accuvax.northwestern.edu`
		A	2620:10d:2010:6011::100 ^{🇺🇸 Northwestern University}
		A	129.105.49.100^{🇺🇸 Northwestern University}
			PTR	`accuvax.northwestern.edu`
NS	`ns1a.rit.edu`
		A	2620:8d:8000:0:aba:ca:daba:ee ^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns1a.rit.edu`
		A	129.21.1.82^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns1a.rit.edu`
NS	`ns2a.rit.edu`
		A	2620:8d:8000:0:aba:ca:daba:ef ^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns2a.rit.edu`
		A	129.21.1.92^{🇺🇸 Rochester Institute of Technology}
			PTR	`ns2a.rit.edu`

`129.in-addr.arpa`

	NS	`r.arin.net`
	NS	`u.arin.net`
	NS	`x.arin.net`
	NS	`y.arin.net`
	NS	`z.arin.net`
	NS	`arin.authdns.ripe.net`

Up

237.21.129.in-addr.arpa

145.21.129.in-addr.arpa

238.21.129.in-addr.arpa

41.21.129.in-addr.arpa

10.21.129.in-addr.arpa

231.21.129.in-addr.arpa

26.21.129.in-addr.arpa

96.21.129.in-addr.arpa

110.21.129.in-addr.arpa

103.21.129.in-addr.arpa

181.21.129.in-addr.arpa

15.21.129.in-addr.arpa

136.21.129.in-addr.arpa

39.21.129.in-addr.arpa

204.21.129.in-addr.arpa

4.21.129.in-addr.arpa

35.21.129.in-addr.arpa

9.21.129.in-addr.arpa

25.21.129.in-addr.arpa

175.21.129.in-addr.arpa

63.21.129.in-addr.arpa

246.21.129.in-addr.arpa

27.21.129.in-addr.arpa

2.21.129.in-addr.arpa

152.21.129.in-addr.arpa

34.21.129.in-addr.arpa

150.21.129.in-addr.arpa

6.21.129.in-addr.arpa

20.21.129.in-addr.arpa

222.21.129.in-addr.arpa

49.21.129.in-addr.arpa

172.21.129.in-addr.arpa

135.21.129.in-addr.arpa

53.21.129.in-addr.arpa

126.21.129.in-addr.arpa

213.21.129.in-addr.arpa

160.21.129.in-addr.arpa

89.21.129.in-addr.arpa

37.21.129.in-addr.arpa

57.21.129.in-addr.arpa

56.21.129.in-addr.arpa

19.21.129.in-addr.arpa

17.21.129.in-addr.arpa

182.21.129.in-addr.arpa

12.21.129.in-addr.arpa

208.21.129.in-addr.arpa

196.21.129.in-addr.arpa

227.21.129.in-addr.arpa

7.21.129.in-addr.arpa

30.21.129.in-addr.arpa

14.21.129.in-addr.arpa

52.21.129.in-addr.arpa

18.21.129.in-addr.arpa

250.21.129.in-addr.arpa

192.21.129.in-addr.arpa

179.21.129.in-addr.arpa

5.21.129.in-addr.arpa

22.21.129.in-addr.arpa

115.21.129.in-addr.arpa

58.21.129.in-addr.arpa

1.21.129.in-addr.arpa

Starts with same word

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

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

Starts similarily

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

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

AI analysis

The parent of 237.21.129.in-addr.arpa, 145.21.129.in-addr.arpa, 238.21.129.in-addr.arpa, 41.21.129.in-addr.arpa, 10.21.129.in-addr.arpa and a few other host names is 21.129.in-addr.arpa.

21.129.in-addr.arpa delegates to three name servers: accuvax.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.

21.129.in-addr.arpa shares some name servers with other domains, for example 227.124.165.in-addr.arpa, 175.21.129.in-addr.arpa, citws.buffalo.edu, vpsa.buffalo.edu and 73.124.165.in-addr.arpa.

These name servers are commonly used with cicada.northwestern.edu, dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu and dns04.buffalo.edu.

Host names with two IP numbers:

accuvax.northwestern.edu: 2620:10d:2010:6011::100 and 129.105.49.100

ns1a.rit.edu: 2620:8d:8000:0:aba:ca:daba:ee and 129.21.1.82

ns2a.rit.edu: 2620:8d:8000:0:aba:ca:daba:ef and 129.21.1.92

dbq