DNSWHOIS.INFO - 221.136.193.in-addr.arpa

Search for IP or hostnames:

221.136.193.in-addr.arpa checked at 2025-09-10T15:10:55.434Z 1802ms 53/53/53 100% R:21

`221.136.193.in-addr.arpa`

NS	`cascais.lx.it.pt`
		A	193.136.221.1^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`cascais.lx.it.pt`
NS	`ns1.ist.utl.pt`
		A	2001:690:2100:1::53:1 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns1.tecnico.ulisboa.pt`
		A	193.136.128.1^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns1.tecnico.ulisboa.pt`
NS	`ns2.ist.utl.pt`
		A	2001:690:2100:1::53:2 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns2.tecnico.ulisboa.pt`
		A	193.136.128.2^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns2.tecnico.ulisboa.pt`

`136.193.in-addr.arpa`

	NS	`ns01.fccn.pt`
	NS	`ns02.fccn.pt`
	NS	`ns03.fccn.pt`

Up
`1.221.136.193.in-addr.arpa`
`5.221.136.193.in-addr.arpa`
`155.221.136.193.in-addr.arpa`
`2.221.136.193.in-addr.arpa`
`16.221.136.193.in-addr.arpa`

Starts with same word
`221.la`
`221.org`
`221.co.uk`
`221.money`
`221.cz`
`221.cn`
`221.tech`
`221.life`
`221.com.ua`
`221.us`
`221.one`
`221.net`
`221.co`
`221.de`
`221.in-addr.arpa`
`221.tel`
`221.ca`
`221.com`
`221.ru`

Starts similarily
`212.email`
`212.lt`
`221.cz`
`122.fyi`
`212.graphics`
`122.gv.at`
`221.cn`
`212.com`
`122.it`
`122.nl`
`212.vin`
`122.su`
`212.mx`
`122.cl`
`122.ch`
`212.cc`
`122.city`
`212.by`
`212.ru`
`122.eu`
`212.in-addr.arpa`
`212.photos`
`212.amsterdam`
`212.fr`
`212.me`
`221.tech`
`212.guide`
`221.life`
`221.com.ua`
`122.be`
`212.guru`
`212.com.cn`
`212.net`
`122.at`
`212.tel`
`122.cn`
`221.us`
`122.kim`
`212.sk`
`221.one`
`122.run`
`122.co.il`
`122.co`
`212.ph`
`122.biz`
`122.dk`
`212.insure`
`221.net`
`212.com.ua`
`122.ru`
`221.co`
`122.one`
`212.group`
`221.de`
`212.plumbing`
`212.codes`
`212.ua`
`212.de`
`122.cz`
`212.nl`
`122.cc`
`122.info`
`212.vc`
`212.ch`
`212.mobi`
`122.vn`
`221.in-addr.arpa`
`221.tel`
`212.pl`
`122.in-addr.arpa`
`212.dk`
`221.ca`
`212.ws`
`122.us`
`122.in`
`212.lv`
`221.com`
`212.us`
`221.ru`
`122.gov.cn`
`122.ph`
`212.in`
`212.se`
`221.la`
`122.de`
`221.org`
`221.co.uk`
`122.lv`
`212.fund`
`212.church`
`212.ca`
`212.jetzt`
`212.run`
`221.money`
`212.one`
`212.com.mx`

AI analysis

The parent of 1.221.136.193.in-addr.arpa, 5.221.136.193.in-addr.arpa, 155.221.136.193.in-addr.arpa, 2.221.136.193.in-addr.arpa, and 16.221.136.193.in-addr.arpa is 221.136.193.in-addr.arpa.

Three name servers, cascais.lx.it.pt, ns1.ist.utl.pt, and ns2.ist.utl.pt, are delegated to 221.136.193.in-addr.arpa.

The name servers of 221.136.193.in-addr.arpa are at least partially shared with other domains such as av.it.pt, quantumbiology.eu, it.pt, cfn.ist.utl.pt, and spmet.pt.

The nameservers dns2.av.it.pt, dns.av.it.pt, ns1.ipfn.ist.utl.pt, ns2.ipfn.ist.utl.pt, ns.co.it.pt, ns1.cfn.ist.utl.pt, ns2.cfn.ist.utl.pt, bebop.math.ist.utl.pt, civil2.civil.ist.utl.pt, and dns.fmv.ulisboa.pt are frequently utilized in conjunction.

IP address for cascais.lx.it.pt is 193.136.221.1.

ns1.ist.utl.pt is associated with two IP addresses: 2001:690:2100:1::53:1 and 193.136.128.1.

ns2.ist.utl.pt resolves to two IP addresses: 2001:690:2100:1::53:2 and 193.136.128.2.

dbq