CF1759408879282-tsm20251002085755

NSLIST.NET - 121.20.109.140.in-addr.arpa

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121.20.109.140.in-addr.arpa checked at 2025-10-02T12:41:19.268Z 3667ms 12/12/12 100% R:13

121.20.109.140.in-addr.arpa

PTRipv4-140-109-20-121.sinica.edu.tw.20.109.140.in-addr.arpa

20.109.140.in-addr.arpa

Starts with same word

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Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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ydpuCdY CF johedugfp 2025-10-02