WWW.RTSAK.COM - 121.20.109.140.in-addr.arpa
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121.20.109.140.in-addr.arpa checked at 2025-10-13T23:34:29.087Z 1665ms 12/12/12 100% R:9121.20.109.140.in-addr.arpa
| PTR | ipv4-140-109-20-121.sinica.edu.tw.20.109.140.in-addr.arpa | ||||||
20.109.140.in-addr.arpa
| NS | ns1.iis.sinica.edu.tw | ||||||
| NS | ns2.iis.sinica.edu.tw | ||||||
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