WWW.RTSAK.COM - 21.4.in-addr.arpa

Search for IP or hostnames:

21.4.in-addr.arpa checked at 2025-09-25T20:54:42.487Z 414ms 42/42/42 100% R:9

`21.4.in-addr.arpa`

NS	`dnsauth1.sys.gtei.net`
		A	4.2.49.2^{🇺🇸 Lumen AS3356}
			PTR	`dnsauth1.level3.net`
NS	`dnsauth2.sys.gtei.net`
		A	4.2.49.3^{🇺🇸 Lumen AS3356}
			PTR	`dnsauth2.level3.net`
NS	`dnsauth3.sys.gtei.net`
		A	4.2.49.4^{🇺🇸 Lumen AS3356}
			PTR	`dnsauth3.level3.net`

`4.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

138.21.4.in-addr.arpa

103.21.4.in-addr.arpa

3.21.4.in-addr.arpa

213.21.4.in-addr.arpa

205.21.4.in-addr.arpa

202.21.4.in-addr.arpa

160.21.4.in-addr.arpa

150.21.4.in-addr.arpa

Starts with same word

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.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

Starts similarily

12.biz

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

21.pw

12.world

21.org.cn

12.by

21.net

12.org.ua

12.works

AI analysis

21.4.in-addr.arpa is the parent of 138.21.4.in-addr.arpa, 103.21.4.in-addr.arpa, 3.21.4.in-addr.arpa, 213.21.4.in-addr.arpa, 205.21.4.in-addr.arpa and several other host names.

21.4.in-addr.arpa is delegated to three name servers: dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.

21.4.in-addr.arpa at least partially shares its name servers with other domains, for instance 2.22.4.in-addr.arpa, 119.78.198.in-addr.arpa, 211.47.4.in-addr.arpa, 197.34.4.in-addr.arpa and 109.4.in-addr.arpa.

Host names with one IP number:

dnsauth1.sys.gtei.net points to: 4.2.49.2.

dnsauth2.sys.gtei.net points to: 4.2.49.3.

dnsauth3.sys.gtei.net points to: 4.2.49.4.

dbq