IPLIST.NET - 17.20.161.221.in-addr.arpa
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17.20.161.221.in-addr.arpa checked at 2025-10-05T19:16:00.052Z 618ms 17/17/17 100% R:1517.20.161.221.in-addr.arpa
| PTR | mail.cs.ac.kr | ||||||
| A | 220.73.212.208🇰🇷 KT Corporation (Korea Telecom) | ||||||
| PTR | mc208.mailplug.co.kr | ||||||
| PTR | mail.csc.ac.kr | ||||||
20.161.221.in-addr.arpa
| NS | rev1.kornet.net | ||||||
| NS | rev2.kornet.net | ||||||
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