NSLIST.NET - 81.129.138.128.in-addr.arpa
Search for IP or hostnames:
81.129.138.128.in-addr.arpa checked at 2025-11-16T11:16:03.294Z 79ms 16/16/16 100% R:12 allDone:true timedOut:false 81.129.138.128.in-addr.arpa
| PTR | smtp-comp-hybrid.colorado.edu | ||||||
| A | 128.138.129.81🇺🇸 University of Colorado at Boulder | ||||||
| PTR | smtp-comp-hybrid.colorado.edu | ||||||
129.138.128.in-addr.arpa
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