DNSWHOIS.INFO - 51.239.54.in-addr.arpa

Search for IP or hostnames:

51.239.54.in-addr.arpa checked at 2025-11-19T10:17:31.925Z 1595ms 61/61/61 100% R:10 allDone:true timedOut:false

`51.239.54.in-addr.arpa`

NS	`x1.amazonaws.com`
		A	156.154.64.10^{🇺🇸 Neustar}
			PTR	`u1.amazonaws.com`
NS	`x2.amazonaws.com`
		A	156.154.65.10^{🇺🇸 Neustar}
			PTR	`u2.amazonaws.com`
NS	`pdns1.ultradns.net`
		A	2001:502:f3ff::1 ^{🇺🇸 Neustar}
			PTR	`pdns1.ultradns.net`
		A	204.74.108.1^{🇺🇸 Neustar}
			PTR	`pdns1.ultradns.net`
NS	`x3.amazonaws.org`
		A	156.154.150.1^{🇺🇸 AS399161}
			PTR	`dns-01.ultradns2.com`
NS	`x4.amazonaws.org`
		A	204.74.120.1^{🇺🇸 AS399160}
			PTR	`dns-01.ultradns2.org`

`239.54.in-addr.arpa`

	NS	`x1.amazonaws.com`
	NS	`x2.amazonaws.com`
	NS	`pdns1.ultradns.net`
	NS	`x3.amazonaws.org`
	NS	`x4.amazonaws.org`

Up

234.51.239.54.in-addr.arpa

Starts with same word

51.bet

51.hk

51.ro

51.dp.ua

51.com

51.wf

51.ph

51.se

51.com.br

51.com.tr

51.ws

51.com.hk

51.lt

51.hu

51.to

51.wtf

51.world

51.com.tw

51.de

51.cz

51.chat

51.win

51.ru

51.gs

51.is

51.eu

51.cool

51.biz

51.no

51.vg

51.tv

51.gold

51.be

51.org

51.su

51.am

51.ie

51.cc

51.fr

51.pl

51.ca

51.nu

51.fyi

51.al

51.com.ua

51.lv

51.net

51.la

51.in-addr.arpa

51.fi

51.school

Starts similarily

15.cz

51.su

51.am

15.sk

51.ie

51.cc

51.fr

15.su

51.pl

15.no

51.ca

51.nu

15.is

15.eu

15.hu

15.by

51.fyi

15.ai

15.business

15.org.ua

51.al

51.com.ua

15.football

15.be

51.lv

15.fi

15.energy

51.net

51.la

15.com

51.in-addr.arpa

15.org

51.fi

51.school

51.bet

15.chat

15.la

15.xyz

51.hk

15.com.mx

51.ro

15.ph

51.dp.ua

51.com

15.lv

15.de

51.wf

51.ph

51.se

51.com.br

51.com.tr

51.ws

15.gold

15.ee

15.tel

51.com.hk

51.lt

15.cn

51.hu

51.to

15.nl

15.ie

51.wtf

15.com.ua

15.in-addr.arpa

51.world

15.com.tw

51.com.tw

51.de

15.ro

15.hk

15.se

51.cz

51.chat

15.am

15.ae

51.win

51.ru

15.graphics

51.gs

15.io

51.is

15.app

15.biz

51.eu

51.cool

15.com.tr

51.biz

51.no

51.vg

51.tv

15.ca

15.uk

15.cl

15.rs

51.gold

51.be

51.org

15.wtf

15.fyi

15.net

15.pl

AI analysis

51.239.54.in-addr.arpa is the parent of 234.51.239.54.in-addr.arpa.

51.239.54.in-addr.arpa is delegated to five name servers: x1.amazonaws.com, x2.amazonaws.com, pdns1.ultradns.net, x3.amazonaws.org and x4.amazonaws.org.

51.239.54.in-addr.arpa at least partially shares name servers with other domains, for instance silvercrystalsports.com, carlylegroupcreatesvalue.com, elephantinsurance.co.uk, thecarlylegroup.dk and mansioncasino.com.

These name servers are commonly used alongside pdns6.ultradns.co.uk, pdns3.ultradns.org, pdns5.ultradns.info, pdns2.ultradns.net, pdns4.ultradns.org, udns1.ultradns.net and udns2.ultradns.net.

Host names with two IP numbers:

pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1.

Host names with one IP number:

x1.amazonaws.com points to: 156.154.64.10.

x2.amazonaws.com points to: 156.154.65.10.

x3.amazonaws.org points to: 156.154.150.1.

x4.amazonaws.org points to: 204.74.120.1.

dbq