CF1759300940498-tsm20250929235914

NSLIST.NET - 123.20.59.128.in-addr.arpa

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123.20.59.128.in-addr.arpa checked at 2025-10-01T06:42:20.482Z 101ms 16/16/16 100% R:11

123.20.59.128.in-addr.arpa

PTReuclid.cs.columbia.edu
A128.59.20.123🇺🇸 Columbia University
PTReuclid.cs.columbia.edu

20.59.128.in-addr.arpa

NSext-ns1.columbia.edu
NSext-ns2.columbia.edu
NSapollo.cs.columbia.edu
NSdiana.cs.columbia.edu
NSsundog.ee.columbia.edu

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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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unSVdba CF johedugfp 2025-10-01