MXLIST.NET - 51.228.169.in-addr.arpa

Search for IP or hostnames:

51.228.169.in-addr.arpa checked at 2025-10-18T10:39:46.571Z 279ms 53/53/53 100% R:13

`51.228.169.in-addr.arpa`

NS	`ns-auth1.ucsd.edu`
		A	44.227.162.249^{🇺🇸 Amazon}
			PTR	`ec2-44-227-162-249.us-west-2.compute.amazonaws.com`
NS	`ns-auth2.ucsd.edu`
		A	2607:f720:100:202::174 ^{🇺🇸 UCSD}
			PTR	`ns-auth2.ucsd.edu`
		A	132.239.252.172^{🇺🇸 UCSD}
			PTR	`ns-auth2.ucsd.edu`
NS	`ns-auth3.ucsd.edu`
		A	2607:f720:f00:4446::186 ^{🇺🇸 UCSD}
			PTR	`ns-auth3.ucsd.edu`
		A	132.239.252.186^{🇺🇸 UCSD}
			PTR	`ns-auth3.ucsd.edu`

`228.169.in-addr.arpa`

	NS	`ns-auth1.ucsd.edu`
	NS	`ns-auth2.ucsd.edu`
	NS	`ns-auth3.ucsd.edu`

Up

21.51.228.169.in-addr.arpa

11.51.228.169.in-addr.arpa

Starts with same word

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

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.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.net.cn

51.gold

51.be

51.org

51.su

51.am

51.ie

Starts similarily

51.se

51.com.br

51.com.tr

51.ws

15.gold

15.tel

51.com.hk

51.lt

15.cn

51.hu

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.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.net.cn

51.gold

51.be

51.org

15.wtf

15.fyi

15.net

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

AI analysis

51.228.169.in-addr.arpa is a parent of 21.51.228.169.in-addr.arpa and 11.51.228.169.in-addr.arpa.

51.228.169.in-addr.arpa is delegated to three name servers ns-auth1.ucsd.edu, ns-auth2.ucsd.edu and ns-auth3.ucsd.edu.

51.228.169.in-addr.arpa at least partially shares name servers with other domains, for instance 57.228.169.in-addr.arpa, sccoos.org, 243.110.137.in-addr.arpa, 228.169.in-addr.arpa and 2.239.132.in-addr.arpa.

These name servers are commonly used with ns0.ucsd.edu, ns1.ucsd.edu and ns2.ucsd.edu.

Hosts with two IP numbers:

ns-auth2.ucsd.edu points to: 2607:f720:100:202::174 and 132.239.252.172.

ns-auth3.ucsd.edu points to: 2607:f720:f00:4446::186 and 132.239.252.186.

Hosts with one IP number:

ns-auth1.ucsd.edu points to: 44.227.162.249.

dbq