DNSWHOIS.INFO - 21.163.in-addr.arpa

Search for IP or hostnames:

21.163.in-addr.arpa checked at 2025-11-30T21:58:09.636Z 3699ms 57/57/57 100% R:18 allDone:true timedOut:false

`21.163.in-addr.arpa`

NS	`dns3.tp.edu.tw`
		A	2001:288:13f0::1177 ^{🇹🇼 ERX-TANET-ASN1}
		A	210.70.129.177^{🇹🇼 ERX-TANET-ASN1}
			PTR	`dns3.tp.edu.tw`
NS	`ns1.tp.edu.tw`
		A	2001:288:1200::157 ^{🇹🇼 ERX-TANET-ASN1}
		A	163.21.249.157^{🇹🇼 ERX-TANET-ASN1}
			PTR	`ns1.tp.edu.tw`
NS	`ns2.tp.edu.tw`
		A	2001:288:1200::158 ^{🇹🇼 ERX-TANET-ASN1}
		A	163.21.249.158^{🇹🇼 ERX-TANET-ASN1}
			PTR	`ns2.tp.edu.tw`

`163.in-addr.arpa`

	NS	`ns1.apnic.net`
	NS	`ns2.apnic.net`
	NS	`rirns.arin.net`
	NS	`ns3.lacnic.net`
	NS	`apnic.authdns.ripe.net`

Up

70.21.163.in-addr.arpa

75.21.163.in-addr.arpa

249.21.163.in-addr.arpa

61.21.163.in-addr.arpa

68.21.163.in-addr.arpa

251.21.163.in-addr.arpa

84.21.163.in-addr.arpa

183.21.163.in-addr.arpa

9.21.163.in-addr.arpa

236.21.163.in-addr.arpa

254.21.163.in-addr.arpa

135.21.163.in-addr.arpa

74.21.163.in-addr.arpa

67.21.163.in-addr.arpa

103.21.163.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.chat

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

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

Starts similarily

12.org.ru

12.nu

21.co

21.biz

21.lv

21.ru

21.co.za

12.ai

21.finance

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.chat

21.net

12.org.ua

12.works

21.game

12.uz

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

12.com.pl

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.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.dk

21.nl

21.agency

AI analysis

The parent of 70.21.163.in-addr.arpa, 75.21.163.in-addr.arpa, 249.21.163.in-addr.arpa, 61.21.163.in-addr.arpa, 68.21.163.in-addr.arpa and a few other host names is 21.163.in-addr.arpa.

21.163.in-addr.arpa delegates to three name servers: dns3.tp.edu.tw, ns1.tp.edu.tw and ns2.tp.edu.tw.

21.163.in-addr.arpa shares some name servers with other domains, for example 254.21.163.in-addr.arpa, 135.21.163.in-addr.arpa, 112.120.in-addr.arpa, 249.21.163.in-addr.arpa and tp.edu.tw.

These name servers are commonly used together with dns2.tp.edu.tw and dns.tp.edu.tw.

Host names with two IP numbers:

dns3.tp.edu.tw: 2001:288:13f0::1177 and 210.70.129.177

ns1.tp.edu.tw: 2001:288:1200::157 and 163.21.249.157

ns2.tp.edu.tw: 2001:288:1200::158 and 163.21.249.158