MXLIST.NET - 21.0.66.72.in-addr.arpa
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21.0.66.72.in-addr.arpa checked at 2025-11-26T08:28:04.866Z 163ms 16/16/16 100% R:9 allDone:true timedOut:false 21.0.66.72.in-addr.arpa
| PTR | pool-72-66-0-21.washdc.fios.verizon.net | ||||||
| A | 72.66.0.21🇺🇸 AS701 | ||||||
| PTR | pool-72-66-0-21.washdc.fios.verizon.net | ||||||