CF1760586257431-tsm20251015201252

WWW.RTSAK.COM - 18.100.138.in-addr.arpa

Search for IP or hostnames:

18.100.138.in-addr.arpa checked at 2025-10-16T03:44:17.419Z 474ms 55/55/55 100% R:19

18.100.138.in-addr.arpa

NSgalileo.ccupm.upm.es
A2001:720:41c:40:12:100:4:4 🇪🇸 RedIRIS/Red.es
PTRgalileo.ccupm.upm.es
A138.100.4.4🇪🇸 RedIRIS/Red.es
PTRgalileo.ccupm.upm.es
NSdir.etsit.upm.es
A138.100.17.10🇪🇸 RedIRIS/Red.es
PTRdir.etsit.upm.es
PTRselfie.etsit.upm.es
NSdns2.etsit.upm.es
A138.100.17.134🇪🇸 RedIRIS/Red.es
PTRetsit-netsrv.etsit.upm.es
NSdns.etsit.upm.es
A138.100.17.4🇪🇸 RedIRIS/Red.es
PTRdns.etsit.upm.es

100.138.in-addr.arpa

NSchico.rediris.es
NSsun.rediris.es
NSeinstein.ccupm.upm.es
NSgalileo.ccupm.upm.es

Up

Starts with same word

Starts similarily

AI analysis

18.100.138.in-addr.arpa is the parent of 132.18.100.138.in-addr.arpa, 158.18.100.138.in-addr.arpa, 152.18.100.138.in-addr.arpa, 220.18.100.138.in-addr.arpa, 65.18.100.138.in-addr.arpa and several other host names.

18.100.138.in-addr.arpa is delegated to four name servers: galileo.ccupm.upm.es, dir.etsit.upm.es, dns2.etsit.upm.es and dns.etsit.upm.es.

18.100.138.in-addr.arpa at least partially shares its name servers with other domains, for instance upmlaser.upm.es, 28.4.138.in-addr.arpa, 21.100.138.in-addr.arpa, tfo.upm.es and edificacion.upm.es.

These name servers are commonly used with einstein.ccupm.upm.es, dns2.dit.upm.es, dns.dit.upm.es, glo.etsit.upm.es, chita.fi.upm.es, ns.fi.upm.es, tarzan.fi.upm.es, zape.fi.upm.es, isp1.etsit.upm.es and kite.topografia.upm.es.

Host names with two IPs:

galileo.ccupm.upm.es has IPs 2001:720:41c:40:12:100:4:4 and 138.100.4.4.

Host names with one IP:

dir.etsit.upm.es has IP 138.100.17.10.

dns2.etsit.upm.es has IP 138.100.17.134.

dns.etsit.upm.es has IP 138.100.17.4.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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vHmABdw CF johedugfp 2025-10-16