DNSWHOIS.INFO - 138.21.81.in-addr.arpa

Search for IP or hostnames:

138.21.81.in-addr.arpa checked at 2025-10-23T07:40:26.466Z 233ms 54/54/54 100% R:14

`138.21.81.in-addr.arpa`

NS	`nsauth1.signet.nl`
		A	2001:4cb8:0:7::53:1 ^{🇳🇱 Signet B.V.}
			PTR	`nsauth1.signet.nl`
		A	217.21.244.30^{🇳🇱 Signet B.V.}
			PTR	`nsauth1.signet.nl`
NS	`nsauth2.signet.nl`
		A	2001:4cb8:1:3::53:1 ^{🇳🇱 Signet B.V.}
			PTR	`nsauth2.signet.nl`
		A	78.108.128.30^{🇳🇱 Signet B.V.}
			PTR	`nsauth2.signet.nl`
NS	`nsauth3.signet.nl`
		A	2001:4cb8:0:70::53:1 ^{🇳🇱 Signet B.V.}
			PTR	`nsauth3.signet.nl`
		A	217.21.244.71^{🇳🇱 Signet B.V.}
			PTR	`nsauth3.signet.nl`

`21.81.in-addr.arpa`

Up

87.138.21.81.in-addr.arpa

97.138.21.81.in-addr.arpa

193.138.21.81.in-addr.arpa

Starts with same word

138.la

138.co

138.cc

138.lv

138.chat

138.au

138.org

138.casino

138.one

138.network

138.ph

138.ac

138.hu

138.by

138.cn

138.im

138.info

138.at

138.pl

138.co.jp

138.nl

138.fr

138.tel

138.tv

138.am

138.me

138.lu

138.jp

138.eu

138.cm

138.io

138.biz

138.bet

138.in-addr.arpa

138.ru

138.games

138.city

138.be

138.com

138.net

138.media

138.us

138.cash

138.de

138.it

138.mg

Starts similarily

318.studio

138.co.jp

381.us

138.nl

318.ir

138.fr

813.org

183.com.cn

813.ru

813.fm

831.net

381.in

831.pl

183.ca

138.tel

138.tv

831.es

318.cool

318.cn

138.am

381.ca

318.biz

318.cc

183.com

381.biz

183.ru

318.org

381.de

138.me

138.lu

318.org.uk

183.app

318.ru

138.jp

318.fr

138.eu

813.ch

138.cm

813.de

318.in

381.cn

138.io

183.eu

183.de

381.dk

318.sx

138.biz

831.cc

138.bet

318.net

318.dk

381.com.tw

183.nl

138.in-addr.arpa

813.fr

813.nl

138.ru

831.tv

381.pl

831.ru

183.in

138.games

183.ph

813.hk

138.city

138.be

183.vip

138.com

813.pl

318.com

381.net

183.us

183.com.au

813.jp

318.nu

138.net

381.fr

138.media

318.ca

318.co.kr

831.de

318.io

318.it

831.bz

138.us

831.it

183.la

138.cash

831.biz

183.org

813.eu

138.de

381.eu

183.cc

183.at

318.pl

318.bz

138.it

831.eu

183.in-addr.arpa

138.mg

183.dk

183.sc.cn

318.tv

138.la

381.net.cn

831.com

138.co

813.dk

138.cc

831.nl

381.nl

813.in

138.lv

381.info

138.chat

831.su

831.at

138.au

831.co

813.com

831.cn

381.ru

318.la

381.tv

318.de

183.cn

138.org

138.casino

138.one

138.network

138.ph

381.ink

318.ink

813.at

381.com

138.ac

183.co

138.hu

813.com.tw

381.ph

138.by

183.fr

138.cn

138.im

183.tw

138.info

138.at

318.jp

381.ir

138.pl

AI analysis

138.21.81.in-addr.arpa is parent of 87.138.21.81.in-addr.arpa, 97.138.21.81.in-addr.arpa and 193.138.21.81.in-addr.arpa.

The delegation for 138.21.81.in-addr.arpa is handled by three name servers: nsauth1.signet.nl, nsauth2.signet.nl and nsauth3.signet.nl.

138.21.81.in-addr.arpa shares name servers with other domains at least partially, for example 235.74.176.in-addr.arpa, 255.255.80.in-addr.arpa, 195.246.80.in-addr.arpa, 196.246.80.in-addr.arpa and 249.255.80.in-addr.arpa.

Host names with two IPs:

nsauth1.signet.nl points to 2001:4cb8:0:7::53:1 and 217.21.244.30

nsauth2.signet.nl points to 2001:4cb8:1:3::53:1 and 78.108.128.30

nsauth3.signet.nl points to 2001:4cb8:0:70::53:1 and 217.21.244.71

dbq