DNSWHOIS.INFO - 81.251.147.in-addr.arpa

Search for IP or hostnames:

81.251.147.in-addr.arpa checked at 2025-10-27T02:16:12.500Z 4548ms 49/49/49 100% R:22

`81.251.147.in-addr.arpa`

NS	`ns.muni.cz`
		A	2001:718:801:404::33 ^{🇨🇿 CESNET}
			PTR	`ns.muni.cz`
			PTR	`ns.ics.muni.cz`
		A	147.251.4.33^{🇨🇿 CESNET}
			PTR	`ns.muni.cz`
			PTR	`ns.ics.muni.cz`
NS	`ns2.math.muni.cz`
		A	147.251.80.12^{🇨🇿 CESNET}
			PTR	`ns2.math.muni.cz`
NS	`ns3.math.muni.cz`
		A	147.251.80.8^{🇨🇿 CESNET}

`251.147.in-addr.arpa`

	NS	`ns2.muni.cz`
	NS	`ns.muni.cz`

Up

68.81.251.147.in-addr.arpa

50.81.251.147.in-addr.arpa

11.81.251.147.in-addr.arpa

129.81.251.147.in-addr.arpa

252.81.251.147.in-addr.arpa

229.81.251.147.in-addr.arpa

Starts with same word

81.ph

81.lt

81.pl

81.ws

81.fyi

81.nu

81.no

81.ca

81.com.hk

81.cx

81.amsterdam

81.cn

81.cl

81.com

81.sk

81.co.uk

81.la

81.world

81.hk

81.se

81.cm

81.fr

81.cc

81.org

81.be

81.in-addr.arpa

81.to

81.cool

81.plus

81.de

81.waw.pl

81.biz

81.chat

81.me

81.gs

81.cz

Starts similarily

81.cc

18.cl

81.org

81.be

81.in-addr.arpa

18.dating

18.md

81.to

18.org

81.cool

18.fr

18.com

18.sk

81.plus

18.group

81.de

81.waw.pl

18.plus

81.biz

81.chat

81.me

18.kz

81.gs

18.tl

81.cz

81.ph

81.lt

18.eu

81.pl

18.co

18.lt

18.app

18.tel

18.cool

18.uz

18.no

18.in-addr.arpa

81.ws

18.lc

18.githubusercontent.com

81.fyi

81.nu

18.world

81.no

81.ca

81.com.hk

18.ph

18.watch

81.cx

18.com.cn

18.ca

18.ws

18.network

18.com.tw

18.com.pl

81.amsterdam

18.com.tr

18.amsterdam

81.cn

18.chat

18.dk

18.tech

81.cl

18.digital

18.ms

81.com

18.money

81.sk

18.show

18.cz

18.com.hk

18.nl

18.vip

81.co.uk

81.la

18.net.au

81.world

81.hk

81.se

18.fi

18.tv

81.cm

18.pe

18.rs

18.cn

81.fr

18.hu

18.hk

18.pl

AI analysis

81.251.147.in-addr.arpa is the parent of 68.81.251.147.in-addr.arpa, 50.81.251.147.in-addr.arpa, 11.81.251.147.in-addr.arpa, 129.81.251.147.in-addr.arpa, 252.81.251.147.in-addr.arpa and a few other host names.

The delegation for 81.251.147.in-addr.arpa is handled by three name servers: ns.muni.cz, ns2.math.muni.cz and ns3.math.muni.cz.

81.251.147.in-addr.arpa shares name servers with other domains at least partially, for example celspac.com, 232.251.147.in-addr.arpa, opensciencecommons.org, 17.251.147.in-addr.arpa and cerit-sc.cz.

these name servers are often used with the following: ns2.muni.cz, nsa.ces.net, anxur.fi.muni.cz, aisa.fi.muni.cz, ns2.phil.muni.cz, ns.phil.muni.cz, cedric.unob.cz, vportal.unob.cz, elanor.sci.muni.cz and frodo.chemi.muni.cz.

Host names with two IP numbers:

ns.muni.cz points to: 2001:718:801:404::33 and 147.251.4.33.

Host names with one IP number:

ns2.math.muni.cz points to: 147.251.80.12.

ns3.math.muni.cz points to: 147.251.80.8.

dbq