CF1763446873948-tsm20251116095642

WWW.ROBTEX.COM - p-smtp-l-relay03.nsf.gov

Search for IP or hostnames:

p-smtp-l-relay03.nsf.gov checked at 2025-11-18T06:21:13.931Z 2596ms 37/37/37 100% R:16 allDone:true timedOut:false

p-smtp-l-relay03.nsf.gov

CNAMEp-smtp-l-rly03.nsf.gov
A128.150.5.41🇺🇸 NSF-HQ-AS
PTRp-smtp-l-rly03.nsf.gov
PTRw655321.nsf.gov

nsf.gov

NSns1.nsf.gov
NSns2.nsf.gov
MXalt1.us.etp.fireeyegov.com
MXalt2.us.etp.fireeyegov.com
MXalt3.us.etp.fireeyegov.com
MXprimary.us.etp.fireeyegov.com
A2620:10f:6002:221::244🇺🇸 NSF-HQ-AS
A128.150.221.244🇺🇸 NSF-HQ-AS
rank #1263 globally
rank #60 in the tld
This domain name "nsf.gov" belongs to the National Science Foundation, an independent agency of the United States government that provides funding for approximately a quarter of all federally supported basic research conducted by America's colleges and universities. The NSF also supports research in non-medical fields of science and engineering.

AI analysis

p-smtp-l-relay03.nsf.gov points to IP number: 128.150.5.41.

Other host names, for instance p-smtp-l-rly03.nsf.gov and w655321.nsf.gov, share IP numbers with p-smtp-l-relay03.nsf.gov.

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