IPLIST.NET - 20.139.247.140.in-addr.arpa
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20.139.247.140.in-addr.arpa checked at 2025-10-24T02:38:07.582Z 150ms 16/16/16 100% R:1120.139.247.140.in-addr.arpa
| PTR | mail.iic.harvard.edu | ||||||
| A | 140.247.139.20🇺🇸 HARVARDNET | ||||||
| PTR | mail.iic.harvard.edu | ||||||
139.247.140.in-addr.arpa
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