IPLIST.NET - 20.21.131.140.in-addr.arpa
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20.21.131.140.in-addr.arpa checked at 2025-10-08T09:24:29.593Z 1027ms 16/16/16 100% R:1520.21.131.140.in-addr.arpa
| PTR | spam.ntua.edu.tw | ||||||
| A | 140.131.21.20🇹🇼 Taiwan Academic Network(TANet) | ||||||
| PTR | spam.ntua.edu.tw | ||||||
21.131.140.in-addr.arpa
| NS | dns | ||||||
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