CF1762759626371-tsm20251109205412

WWW.ROBTEX.COM - nsl-smtphost.cs.columbia.edu

Search for IP or hostnames:

nsl-smtphost.cs.columbia.edu checked at 2025-11-10T07:27:06.208Z 0ms 49/49/49 100% R:0 allDone:true timedOut:false

AI analysis

For nsl-smtphost.cs.columbia.edu, the mail server is nsl-smtphost.cs.columbia.edu.

nsl-smtphost.cs.columbia.edu points to a single IP number: 128.59.20.138.

One mail server handles nsl-smtphost.cs.columbia.edu.

Host name nsl-smtphost.cs.columbia.edu points to IP address 128.59.20.138.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq