CF1759567311903-tsm20251004075530

WWW.RTSAK.COM - 221.136.193.in-addr.arpa

Search for IP or hostnames:

221.136.193.in-addr.arpa checked at 2025-10-04T08:41:51.885Z 549ms 53/53/53 100% R:17

221.136.193.in-addr.arpa

NScascais.lx.it.pt
A193.136.221.1🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRcascais.lx.it.pt
NSns1.ist.utl.pt
A2001:690:2100:1::53:1 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns1.tecnico.ulisboa.pt
A193.136.128.1🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns1.tecnico.ulisboa.pt
NSns2.ist.utl.pt
A2001:690:2100:1::53:2 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns2.tecnico.ulisboa.pt
A193.136.128.2🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns2.tecnico.ulisboa.pt

136.193.in-addr.arpa

NSns01.fccn.pt
NSns02.fccn.pt
NSns03.fccn.pt

Up

Starts with same word

Starts similarily

AI analysis

221.136.193.in-addr.arpa is a 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.

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

221.136.193.in-addr.arpa at least partially shares name servers with other domains, for instance av.it.pt, quantumbiology.eu, it.pt, 222.136.193.in-addr.arpa and cfn.ist.utl.pt.

These name servers are commonly used with the following name servers: 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.

Hosts with two IP numbers:

ns1.ist.utl.pt points to: 2001:690:2100:1::53:1 and 193.136.128.1.

ns2.ist.utl.pt points to: 2001:690:2100:1::53:2 and 193.136.128.2.

Hosts with one IP number:

cascais.lx.it.pt points to: 193.136.221.1.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

KlsWfqx CF johedugfp 2025-10-04