IPLIST.NET - 21.203.66.in-addr.arpa

Search for IP or hostnames:

21.203.66.in-addr.arpa checked at 2025-10-13T07:49:19.766Z 136ms 64/64/64 100% R:14

`21.203.66.in-addr.arpa`

NS	`ns4.oar.net`
		A	2610:a8:2004::2 ^{🇺🇸 OARnet}
			PTR	`ns4.oar.net`
			PTR	`clevb-ns4.eng.oar.net`
		A	199.18.199.2^{🇺🇸 OARnet}
			PTR	`ns4.oar.net`
NS	`ns5.oar.net`
		A	2610:a8:2005::2 ^{🇺🇸 OARnet}
			PTR	`ns5.oar.net`
			PTR	`dytnq-ns5.eng.oar.net`
		A	199.218.199.2^{🇺🇸 OARnet}
			PTR	`ns5.oar.net`
NS	`ns6.oar.net`
		A	2610:a8:2006::2 ^{🇺🇸 OARnet}
			PTR	`ns6.oar.net`
			PTR	`clmbn-ns6.eng.oar.net`
		A	157.134.199.2^{🇺🇸 OARnet}
			PTR	`ns6.oar.net`
NS	`ns7.oar.net`
		A	2610:a8:2007::2 ^{🇺🇸 OARnet}
			PTR	`ns7.oar.net`
			PTR	`clmbn-ns7.eng.oar.net`
		A	206.244.199.2^{🇺🇸 OARnet}
			PTR	`ns7.oar.net`

`203.66.in-addr.arpa`

Starts with same word

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

21.by

21.com.es

21.life

21.run

21.org.cn

21.net

Starts similarily

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

12.chat

21.by

12.solutions

12.dyndns.tv

21.com.es

21.life

12.cm

21.run

12.world

21.org.cn

12.by

21.net

12.org.ua

12.works

12.uz

21.la

AI analysis

21.203.66.in-addr.arpa is delegated to four name servers: ns4.oar.net, ns5.oar.net, ns6.oar.net and ns7.oar.net.

21.203.66.in-addr.arpa at least partially shares name servers with other domains, for instance elmore.oh.us, parkwayschools.org, fashionschool.kent.edu, avs.kent.edu and 138.133.205.in-addr.arpa.

Name servers commonly used together include ns4.net.ohio-state.edu, ns5.net.ohio-state.edu, ocdns1.cc.oberlin.edu, ocdns2.cc.oberlin.edu, dns01.ad.oberlin.edu, dns02.ad.oberlin.edu, exdns1.omeresa.net, exdns2.omeresa.net and exdns1.nwoca.org.

Host names with two IP numbers:

ns4.oar.net points to 2610:a8:2004::2 and 199.18.199.2; ns5.oar.net points to 2610:a8:2005::2 and 199.218.199.2; ns6.oar.net points to 2610:a8:2006::2 and 157.134.199.2; ns7.oar.net points to 2610:a8:2007::2 and 206.244.199.2.

dbq