IPLIST.NET - 81.231.91.in-addr.arpa

Search for IP or hostnames:

81.231.91.in-addr.arpa checked at 2025-11-19T19:00:00.712Z 797ms 50/50/50 100% R:18 allDone:true timedOut:false

`81.231.91.in-addr.arpa`

NS	`dns2.alfa-system.pl`
		A	2a0f:1700:1::454 ^{🇩🇪 ALFA-SYSTEM M. Piwowarski, A. Widera Spolka Jawna}
			PTR	`dns2.alfa-system.pl`
		A	91.231.70.58^{🇵🇱 ALFA-SYSTEM M. Piwowarski, A. Widera Spolka Jawna}
			PTR	`dns2.alfa-system.pl`
NS	`dns.alfa-system.pl`
		A	2a0f:1700:1::452 ^{🇩🇪 ALFA-SYSTEM M. Piwowarski, A. Widera Spolka Jawna}
			PTR	`dns.alfa-system.pl`
		A	91.231.70.37^{🇵🇱 ALFA-SYSTEM M. Piwowarski, A. Widera Spolka Jawna}
			PTR	`dns.alfa-system.pl`

`231.91.in-addr.arpa`

Up

54.81.231.91.in-addr.arpa

Starts with same word

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

81.cn

81.cl

81.com

81.sk

81.co.uk

81.la

81.world

81.hk

81.se

Starts similarily

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

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

AI analysis

The parent of 54.81.231.91.in-addr.arpa is 81.231.91.in-addr.arpa.

Two name servers dns2.alfa-system.pl and dns.alfa-system.pl handle the delegation for 81.231.91.in-addr.arpa.

81.231.91.in-addr.arpa shares the same name server setup as other domains, for example 24.97.176.in-addr.arpa, gliwice.net.pl, torbyfilcowe.pl, deltatelkom.pl and 26.97.176.in-addr.arpa.

81.231.91.in-addr.arpa at least partially shares name servers with other domains, for example alfa-system.pl, 180.25.89.in-addr.arpa, ostrowski.eu, 181.25.89.in-addr.arpa and wporzo.pl.

These name servers are commonly used with fns1.42.pl and ns2.3s.pl and fns2.42.pl.

Host names with two IP numbers:

dns2.alfa-system.pl points to 2a0f:1700:1::454 and 91.231.70.58.

dns.alfa-system.pl points to 2a0f:1700:1::452 and 91.231.70.37.

dbq