CF1760749469302-tsm20251017082432

NSLIST.NET - 250.19.59.128.in-addr.arpa

Search for IP or hostnames:

250.19.59.128.in-addr.arpa checked at 2025-10-18T01:04:29.289Z 130ms 16/16/16 100% R:10

250.19.59.128.in-addr.arpa

PTRdhcp50.cs.columbia.edu
A128.59.19.250🇺🇸 Columbia University
PTRdhcp50.cs.columbia.edu

19.59.128.in-addr.arpa

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

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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SYMcXSP CF johedugfp 2025-10-18