IPLIST.NET - 53.187.163.221.in-addr.arpa
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53.187.163.221.in-addr.arpa checked at 2025-10-20T07:57:24.922Z 1053ms 16/16/16 100% R:1553.187.163.221.in-addr.arpa
| PTR | mail.simone.co.kr | ||||||
| A | 221.163.187.53🇰🇷 KT Corporation (Korea Telecom) | ||||||
| PTR | mail.simone.co.kr | ||||||
187.163.221.in-addr.arpa
| NS | rev1.kornet.net | ||||||
| NS | rev2.kornet.net | ||||||
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