CF1763830036421-tsm20251122163432

DNSWHOIS.INFO - 21

Search for IP or hostnames:

21 checked at 2025-11-22T16:47:16.404Z 0ms 10/10/10 100% R:0 allDone:true timedOut:false

21

(root)

NSa.root-servers.net
NSb.root-servers.net
NSc.root-servers.net
NSd.root-servers.net
NSe.root-servers.net
NSf.root-servers.net
NSg.root-servers.net
NSh.root-servers.net
NSi.root-servers.net
NSj.root-servers.net
NSk.root-servers.net
NSl.root-servers.net
NSm.root-servers.net

PTR for

41.38.77.45.in-addr.arpa
21.16.195.217.in-addr.arpa
21.52.151.91.in-addr.arpa

Starts with same word

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.pw
21.org.cn
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

Starts similarily

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
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
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.city
Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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