MXLIST.NET - 163.21.251.221.in-addr.arpa
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163.21.251.221.in-addr.arpa checked at 2025-11-05T19:40:53.556Z 270ms 16/16/16 100% R:12163.21.251.221.in-addr.arpa
| PTR | 221x251x21x163.ap221.ftth.ucom.ne.jp | ||||||
| A | 221.251.21.163🇯🇵 ARTERIA Networks Corporation (UCOM) | ||||||
| PTR | 221x251x21x163.ap221.ftth.ucom.ne.jp | ||||||
21.251.221.in-addr.arpa
| NS | ns01.usen.ad.jp | ||||||
| NS | ns02.usen.ad.jp | ||||||
| NS | ns03.usen.ad.jp | ||||||
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