WWW.RTSAK.COM - 81.100.138.in-addr.arpa
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81.100.138.in-addr.arpa checked at 2025-10-15T12:41:41.588Z 590ms 50/50/50 100% R:2081.100.138.in-addr.arpa
| NS | einstein.ccupm.upm.es | ||||||
| A | 2001:720:41c:40:12:100:4:8 🇪🇸 RedIRIS/Red.es | ||||||
| PTR | einstein.ccupm.upm.es | ||||||
| A | 138.100.4.8🇪🇸 RedIRIS/Red.es | ||||||
| PTR | einstein.ccupm.upm.es | ||||||
| NS | galileo.ccupm.upm.es | ||||||
| A | 2001:720:41c:40:12:100:4:4 🇪🇸 RedIRIS/Red.es | ||||||
| PTR | galileo.ccupm.upm.es | ||||||
| A | 138.100.4.4🇪🇸 RedIRIS/Red.es | ||||||
| PTR | galileo.ccupm.upm.es | ||||||
100.138.in-addr.arpa
| NS | chico.rediris.es | ||||||
| NS | sun.rediris.es | ||||||
| NS | einstein.ccupm.upm.es | ||||||
| NS | galileo.ccupm.upm.es | ||||||
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Starts with same word
Starts similarily
AI analysis
81.100.138.in-addr.arpa is the parent of 1.81.100.138.in-addr.arpa and 222.81.100.138.in-addr.arpa.
81.100.138.in-addr.arpa has two name servers: einstein.ccupm.upm.es and galileo.ccupm.upm.es.
81.100.138.in-addr.arpa shares the same name server setup as other domains, for example 86.4.138.in-addr.arpa, etsiae.upm.es, ssii.upm.es, 140.4.138.in-addr.arpa and 88.100.138.in-addr.arpa.
81.100.138.in-addr.arpa shares some name servers with other domains, for example din.upm.es, 132.4.138.in-addr.arpa, 41.100.138.in-addr.arpa, etsin.upm.es and 4.138.in-addr.arpa.
these name servers are often used with dir.etsit.upm.es, chita.fi.upm.es, ns.fi.upm.es, tarzan.fi.upm.es, zape.fi.upm.es, dns.etsit.upm.es, dns2.dit.upm.es, dns.dit.upm.es, glo.etsit.upm.es and ns.etsist.upm.es.
Host names with two IP numbers:
einstein.ccupm.upm.es points to: 2001:720:41c:40:12:100:4:8 and 138.100.4.8; galileo.ccupm.upm.es points to: 2001:720:41c:40:12:100:4:4 and 138.100.4.4.