IPLIST.NET - 81.188.203.in-addr.arpa

Search for IP or hostnames:

81.188.203.in-addr.arpa checked at 2025-11-17T23:57:06.909Z 1459ms 62/62/62 100% R:11 allDone:true timedOut:false

`81.188.203.in-addr.arpa`

NS	`ns4.gdnsec.com`
		A	2404:ae00:3266::2d74:2803 ^{🇭🇰 Nexusguard}
			PTR	`ns4.gdnsec.com`
		A	45.116.40.4^{🇭🇰 Nexusguard}
			PTR	`ns4.gdnsec.com`
NS	`ns7.gdnsec.net`
		A	2404:ae00:3638::2d74:2906 ^{🇭🇰 Nexusguard}
			PTR	`ns7.gdnsec.net`
		A	45.116.41.7^{🇭🇰 Nexusguard}
			PTR	`ns7.gdnsec.net`
NS	`cpccux0.cityu.edu.hk`
		A	144.214.5.253^{🇭🇰 CITYU-HK-AS}
			PTR	`cpccux0.cityu.edu.hk`
NS	`vax.cityu.edu.hk`
		A	144.214.2.1^{🇭🇰 CITYU-HK-AS}
			PTR	`cityu.edu.hk`
			PTR	`donna.cityu.edu.hk`
			PTR	`spain.cityu.edu.hk`
			PTR	`vax.cityu.edu.hk`
NS	`ddi-cms1.its.cityu.edu.hk`
		A	144.214.2.91^{🇭🇰 CITYU-HK-AS}
			PTR	`lants1.cityu.edu.hk`
			PTR	`ddi-cms1.its.cityu.edu.hk`

`188.203.in-addr.arpa`

Starts with same word

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

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

Starts similarily

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

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

AI analysis

81.188.203.in-addr.arpa is delegated to five name servers: ns4.gdnsec.com, ns7.gdnsec.net, cpccux0.cityu.edu.hk, vax.cityu.edu.hk and ddi-cms1.its.cityu.edu.hk.

81.188.203.in-addr.arpa at least partially shares name servers with other domains, for example cityu.hk, antiddos.com, xn--uis44ap57bfw3b.hk, itsc.cuhk.edu.hk and yc.edu.hk.

these name servers are commonly used with the following name servers: ns6.gdnsdef.net, ns8.gdnsdef.com, ns4.gdnsdef.com, anyns.cuhk.edu.hk, dns1.cuhk.edu.hk, dns2.cuhk.edu.hk, ns7.gdnsdef.com, ns7.gdnsdef.net, ns5.gdnsdef.com and ns3.gdnsdef.net.

Host names with two IPs:

ns4.gdnsec.com points to: 2404:ae00:3266::2d74:2803 and 45.116.40.4

ns7.gdnsec.net points to: 2404:ae00:3638::2d74:2906 and 45.116.41.7

Host names with one IP:

cpccux0.cityu.edu.hk points to: 144.214.5.253

vax.cityu.edu.hk points to: 144.214.2.1

ddi-cms1.its.cityu.edu.hk points to: 144.214.2.91

dbq