CF1759418928340-tsm20251002145945

WWW.RTSAK.COM - 40.4.138.in-addr.arpa

Search for IP or hostnames:

40.4.138.in-addr.arpa checked at 2025-10-02T15:28:48.324Z 376ms 49/49/49 100% R:21

40.4.138.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
NSmailer.grpss.ssr.upm.es
A138.4.40.3🇪🇸 RedIRIS/Red.es
PTRmailer.grpss.ssr.upm.es

4.138.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

40.4.138.in-addr.arpa is a parent of 51.40.4.138.in-addr.arpa and 3.40.4.138.in-addr.arpa.

The domain 40.4.138.in-addr.arpa is delegated to three name servers: galileo.ccupm.upm.es, dir.etsit.upm.es and mailer.grpss.ssr.upm.es.

40.4.138.in-addr.arpa shares name servers with other domains at least partially, for instance infra.upm.es, master.etsit.upm.es, dmt.upm.es, 84.4.138.in-addr.arpa and 63.100.138.in-addr.arpa.

these name servers are commonly used with the name servers einstein.ccupm.upm.es, dns.etsit.upm.es, dns2.dit.upm.es, dns.dit.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 IP numbers:

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

Host names with one IP number:

dir.etsit.upm.es points to: 138.100.17.10.

mailer.grpss.ssr.upm.es points to: 138.4.40.3.

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

bGGlBPF CF johedugfp 2025-10-02