WWW.RTSAK.COM - 81.21.23.in-addr.arpa

Search for IP or hostnames:

81.21.23.in-addr.arpa checked at 2025-10-06T10:57:50.500Z 130ms 48/48/48 100% R:13

`81.21.23.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

53.81.21.23.in-addr.arpa

108.81.21.23.in-addr.arpa

12.81.21.23.in-addr.arpa

81.81.21.23.in-addr.arpa

156.81.21.23.in-addr.arpa

122.81.21.23.in-addr.arpa

165.81.21.23.in-addr.arpa

31.81.21.23.in-addr.arpa

246.81.21.23.in-addr.arpa

144.81.21.23.in-addr.arpa

171.81.21.23.in-addr.arpa

74.81.21.23.in-addr.arpa

216.81.21.23.in-addr.arpa

155.81.21.23.in-addr.arpa

244.81.21.23.in-addr.arpa

50.81.21.23.in-addr.arpa

32.81.21.23.in-addr.arpa

173.81.21.23.in-addr.arpa

10.81.21.23.in-addr.arpa

17.81.21.23.in-addr.arpa

112.81.21.23.in-addr.arpa

33.81.21.23.in-addr.arpa

149.81.21.23.in-addr.arpa

200.81.21.23.in-addr.arpa

168.81.21.23.in-addr.arpa

207.81.21.23.in-addr.arpa

255.81.21.23.in-addr.arpa

151.81.21.23.in-addr.arpa

83.81.21.23.in-addr.arpa

152.81.21.23.in-addr.arpa

45.81.21.23.in-addr.arpa

193.81.21.23.in-addr.arpa

78.81.21.23.in-addr.arpa

60.81.21.23.in-addr.arpa

241.81.21.23.in-addr.arpa

160.81.21.23.in-addr.arpa

72.81.21.23.in-addr.arpa

252.81.21.23.in-addr.arpa

100.81.21.23.in-addr.arpa

99.81.21.23.in-addr.arpa

84.81.21.23.in-addr.arpa

75.81.21.23.in-addr.arpa

58.81.21.23.in-addr.arpa

0.81.21.23.in-addr.arpa

217.81.21.23.in-addr.arpa

163.81.21.23.in-addr.arpa

176.81.21.23.in-addr.arpa

253.81.21.23.in-addr.arpa

Starts with same word

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81.nu

81.no

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81.cn

81.cl

81.com

81.sk

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Starts similarily

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

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81.sk

18.show

18.cz

18.com.hk

18.nl

18.vip

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81.la

18.net.au

81.world

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81.se

18.fi

18.tv

81.cm

18.pe

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18.cn

81.fr

18.hu

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81.cc

18.cl

81.org

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.plus

18.group

81.de

81.waw.pl

18.plus

81.biz

81.chat

81.me

18.kz

18.gen.tr

18.tl

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.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

AI analysis

81.21.23.in-addr.arpa has children including 53.81.21.23.in-addr.arpa, 108.81.21.23.in-addr.arpa, 12.81.21.23.in-addr.arpa, 81.81.21.23.in-addr.arpa, 156.81.21.23.in-addr.arpa and a few other host names.

81.21.23.in-addr.arpa is delegated to 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.

At least part of the name servers for 81.21.23.in-addr.arpa are shared with other domains, for instance 182.196.54.in-addr.arpa, 51.161.54.in-addr.arpa, 138.205.54.in-addr.arpa, 76.238.3.in-addr.arpa and 234.167.54.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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