IPLIST.NET - 181.21.100.138.in-addr.arpa
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181.21.100.138.in-addr.arpa checked at 2025-10-09T01:04:18.485Z 515ms 16/16/16 100% R:12181.21.100.138.in-addr.arpa
| PTR | pc-rafa.etsit.upm.es | ||||||
| A | 138.100.21.181🇪🇸 RedIRIS/Red.es | ||||||
| PTR | pc-rafa.etsit.upm.es | ||||||
21.100.138.in-addr.arpa
| NS | galileo.ccupm.upm.es | ||||||
| NS | dir.etsit.upm.es | ||||||
| NS | dns.etsit.upm.es | ||||||
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