CF1759521578441-tsm20251003185623

NSLIST.NET - ntp1.anl.gov

Search for IP or hostnames:

ntp1.anl.gov checked at 2025-10-03T19:59:38.390Z 505ms 61/61/61 100% R:14

AI analysis

ntp1.anl.gov resolves to two IP numbers: 2620:0:dc0:180b::5 and 146.137.64.5.

Other host names, such as dns1.anl.gov, share IP numbers with ntp1.anl.gov.

ntp1.anl.gov is handled by two mail servers: mailgateway-bak.anl.gov and mailgateway.anl.gov.

ntp1.anl.gov has the same mail server setup as other domains, including ci.uchicago.edu, docs.anl.gov, imca.aps.anl.gov, lists.bio.anl.gov and dns1.anl.gov.

Some mail servers are shared between ntp1.anl.gov and other domains, for example www.optimization-online.org.

Host names with two IP numbers:

mailgateway-bak.anl.gov points to: 2620:0:dc0:1805::29 and 130.202.101.29

mailgateway.anl.gov points to: 2620:0:dc0:1805::28 and 130.202.101.28

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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