DNSWHOIS.INFO - 253.30.164.137.in-addr.arpa
Search for IP or hostnames:
253.30.164.137.in-addr.arpa checked at 2025-11-01T06:02:31.706Z 1612ms 16/16/16 100% R:9253.30.164.137.in-addr.arpa
| PTR | mach28-caltech.cenic.net | ||||||
| A | 137.164.30.254🇺🇸 CALREN-DC | ||||||
| PTR | mach29-caltech.cenic.net | ||||||
30.164.137.in-addr.arpa
| NS | ns4.cenic.org | ||||||
| NS | ns5.cenic.org | ||||||
| NS | ns6.cenic.org | ||||||
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