MXLIST.NET - 51.21.23.in-addr.arpa

Search for IP or hostnames:

51.21.23.in-addr.arpa checked at 2025-10-29T15:30:28.603Z 137ms 48/48/48 100% R:11

`51.21.23.in-addr.arpa`

NS	`ns1-24-us-east-1.ec2-rdns.amazonaws.com`
		A	205.251.197.231^{🇺🇸 Amazon}
			PTR	`ns-1511.awsdns-60.org`
NS	`ns2-24-us-east-1.ec2-rdns.amazonaws.com`
		A	205.251.198.46^{🇺🇸 Amazon}
			PTR	`ns-1582.awsdns-05.co.uk`
NS	`ns3-24-us-east-1.ec2-rdns.amazonaws.com`
		A	205.251.192.197^{🇺🇸 Amazon}
			PTR	`ns-197.awsdns-24.com`
NS	`ns4-24-us-east-1.ec2-rdns.amazonaws.com`
		A	205.251.195.169^{🇺🇸 Amazon}
			PTR	`ns-937.awsdns-53.net`

`21.23.in-addr.arpa`

	NS	`ns1-16-us-east-1.ec2-rdns.amazonaws.com`
	NS	`ns2-16-us-east-1.ec2-rdns.amazonaws.com`
	NS	`ns3-16-us-east-1.ec2-rdns.amazonaws.com`
	NS	`ns4-16-us-east-1.ec2-rdns.amazonaws.com`

Up

252.51.21.23.in-addr.arpa

69.51.21.23.in-addr.arpa

198.51.21.23.in-addr.arpa

197.51.21.23.in-addr.arpa

78.51.21.23.in-addr.arpa

81.51.21.23.in-addr.arpa

144.51.21.23.in-addr.arpa

27.51.21.23.in-addr.arpa

177.51.21.23.in-addr.arpa

79.51.21.23.in-addr.arpa

158.51.21.23.in-addr.arpa

164.51.21.23.in-addr.arpa

22.51.21.23.in-addr.arpa

203.51.21.23.in-addr.arpa

168.51.21.23.in-addr.arpa

190.51.21.23.in-addr.arpa

64.51.21.23.in-addr.arpa

109.51.21.23.in-addr.arpa

140.51.21.23.in-addr.arpa

171.51.21.23.in-addr.arpa

50.51.21.23.in-addr.arpa

218.51.21.23.in-addr.arpa

183.51.21.23.in-addr.arpa

91.51.21.23.in-addr.arpa

57.51.21.23.in-addr.arpa

98.51.21.23.in-addr.arpa

118.51.21.23.in-addr.arpa

26.51.21.23.in-addr.arpa

157.51.21.23.in-addr.arpa

236.51.21.23.in-addr.arpa

2.51.21.23.in-addr.arpa

119.51.21.23.in-addr.arpa

74.51.21.23.in-addr.arpa

251.51.21.23.in-addr.arpa

117.51.21.23.in-addr.arpa

1.51.21.23.in-addr.arpa

228.51.21.23.in-addr.arpa

107.51.21.23.in-addr.arpa

240.51.21.23.in-addr.arpa

120.51.21.23.in-addr.arpa

138.51.21.23.in-addr.arpa

4.51.21.23.in-addr.arpa

215.51.21.23.in-addr.arpa

3.51.21.23.in-addr.arpa

84.51.21.23.in-addr.arpa

24.51.21.23.in-addr.arpa

Starts with same word

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.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.vg

51.tv

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

Starts similarily

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.tel

51.com.hk

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.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.vg

51.tv

15.ca

15.uk

15.cl

15.rs

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

AI analysis

51.21.23.in-addr.arpa is a parent of 252.51.21.23.in-addr.arpa, 69.51.21.23.in-addr.arpa, 198.51.21.23.in-addr.arpa, 197.51.21.23.in-addr.arpa, 78.51.21.23.in-addr.arpa and a few other host names.

51.21.23.in-addr.arpa's delegation is handled by four name servers: ns1-24-us-east-1.ec2-rdns.amazonaws.com, ns2-24-us-east-1.ec2-rdns.amazonaws.com, ns3-24-us-east-1.ec2-rdns.amazonaws.com and ns4-24-us-east-1.ec2-rdns.amazonaws.com.

51.21.23.in-addr.arpa partially shares name servers with other domains; examples include 189.16.50.in-addr.arpa, 143.205.54.in-addr.arpa, 41.212.3.in-addr.arpa, 50.22.107.in-addr.arpa and 58.81.54.in-addr.arpa.

Host names with one IP:

ns1-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.197.231

ns2-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.198.46

ns3-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.192.197

ns4-24-us-east-1.ec2-rdns.amazonaws.com points to 205.251.195.169

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