DNSWHOIS.INFO - 21.184.137.in-addr.arpa

Search for IP or hostnames:

21.184.137.in-addr.arpa checked at 2025-10-18T05:23:48.469Z 167ms 54/54/54 100% R:12

`21.184.137.in-addr.arpa`

NS	`ns1.digitalocean.com`
		A	2606:4700:52::ac40:34d2 ^{🇺🇸 Cloudflare}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515 ^{🇺🇸 Cloudflare}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1 ^{🇺🇸 Cloudflare}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare}
			PTR	`ns3.digitalocean.com`

`184.137.in-addr.arpa`

	NS	`ns1.digitalocean.com`
	NS	`ns2.digitalocean.com`
	NS	`ns3.digitalocean.com`

Up

212.21.184.137.in-addr.arpa

144.21.184.137.in-addr.arpa

42.21.184.137.in-addr.arpa

190.21.184.137.in-addr.arpa

121.21.184.137.in-addr.arpa

Starts with same word

21.biz

21.lv

21.ru

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

21.style

21.nl

21.agency

21.co

Starts similarily

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

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

12.uz

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

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

AI analysis

21.184.137.in-addr.arpa is the parent of 212.21.184.137.in-addr.arpa, 144.21.184.137.in-addr.arpa, 42.21.184.137.in-addr.arpa, 190.21.184.137.in-addr.arpa and 121.21.184.137.in-addr.arpa.

21.184.137.in-addr.arpa is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

At least part of the name servers for 21.184.137.in-addr.arpa are shared with other domains, for instance 74.128.178.in-addr.arpa, footballcoach.com, pennneurologyvr.com, 1.0.0.f.7.0.b.1.0.0.0.0.0.0.0.0.0.d.0.0.3.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa and 96.172.167.in-addr.arpa.

Host names with two IP numbers:

ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210

ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21

ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209

dbq