MXLIST.NET - 81.21.100.in-addr.arpa

Search for IP or hostnames:

81.21.100.in-addr.arpa checked at 2025-11-20T12:22:20.793Z 111ms 48/48/48 100% R:11 allDone:true timedOut:false

`81.21.100.in-addr.arpa`

NS	`ns1-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.197.77^{🇺🇸 Amazon}
			PTR	`ns-1357.awsdns-41.org`
NS	`ns2-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.198.5^{🇺🇸 Amazon}
			PTR	`ns-1541.awsdns-00.co.uk`
NS	`ns3-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.193.225^{🇺🇸 Amazon}
			PTR	`ns-481.awsdns-60.com`
NS	`ns4-24-us-west-2.ec2-rdns.amazonaws.com`
		A	205.251.194.254^{🇺🇸 Amazon}
			PTR	`ns-766.awsdns-31.net`

`21.100.in-addr.arpa`

	NS	`ns1-16-us-west-2.ec2-rdns.amazonaws.com`
	NS	`ns2-16-us-west-2.ec2-rdns.amazonaws.com`
	NS	`ns3-16-us-west-2.ec2-rdns.amazonaws.com`
	NS	`ns4-16-us-west-2.ec2-rdns.amazonaws.com`

Up

51.81.21.100.in-addr.arpa

92.81.21.100.in-addr.arpa

114.81.21.100.in-addr.arpa

31.81.21.100.in-addr.arpa

99.81.21.100.in-addr.arpa

100.81.21.100.in-addr.arpa

173.81.21.100.in-addr.arpa

145.81.21.100.in-addr.arpa

219.81.21.100.in-addr.arpa

229.81.21.100.in-addr.arpa

29.81.21.100.in-addr.arpa

Starts with same word

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.be

81.in-addr.arpa

81.to

81.cool

81.mil.cn

81.plus

81.de

81.biz

81.chat

81.me

81.gs

81.cz

81.ph

81.lt

81.pl

81.ws

81.fyi

81.nu

81.no

81.ca

81.com.hk

81.cx

81.amsterdam

Starts similarily

18.kz

81.gs

18.tl

18.al

81.cz

81.ph

81.lt

18.eu

18.de

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.gs

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.cc

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

81.cc

18.cl

18.ag

81.be

81.in-addr.arpa

18.dating

18.md

81.to

18.org

81.cool

18.fr

18.com

18.sk

81.mil.cn

81.plus

18.group

81.de

18.plus

81.biz

81.chat

81.me

AI analysis

81.21.100.in-addr.arpa is a parent of 51.81.21.100.in-addr.arpa, 92.81.21.100.in-addr.arpa, 114.81.21.100.in-addr.arpa, 31.81.21.100.in-addr.arpa, 99.81.21.100.in-addr.arpa and a few other host names.

81.21.100.in-addr.arpa is delegated to four name servers: ns1-24-us-west-2.ec2-rdns.amazonaws.com, ns2-24-us-west-2.ec2-rdns.amazonaws.com, ns3-24-us-west-2.ec2-rdns.amazonaws.com and ns4-24-us-west-2.ec2-rdns.amazonaws.com.

81.21.100.in-addr.arpa at least partially shares name servers with other domains, for instance 27.242.44.in-addr.arpa, 238.232.44.in-addr.arpa, 170.216.34.in-addr.arpa, 36.226.44.in-addr.arpa and 193.246.18.in-addr.arpa.

Host names with one IP number:

ns1-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.197.77.

ns2-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.198.5.

ns3-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.193.225.

ns4-24-us-west-2.ec2-rdns.amazonaws.com points to 205.251.194.254.

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