DNSWHOIS.INFO - 21.63.37.50.in-addr.arpa
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21.63.37.50.in-addr.arpa checked at 2025-10-25T09:39:04.730Z 437ms 16/16/16 100% R:1421.63.37.50.in-addr.arpa
| PTR | 50-37-63-21.bng02.thrr.mi.frontiernet.net | ||||||
| A | 50.37.63.21🇺🇸 Frontier Communications of America (FCA) | ||||||
| PTR | 50-37-63-21.bng02.thrr.mi.frontiernet.net | ||||||
63.37.50.in-addr.arpa
| NS | auth.frontiernet.net | ||||||
| NS | auth.roch.ny.frontiernet.net | ||||||
| NS | auth.asbn.va.frontiernet.net | ||||||
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