CF1763496860121-tsm20251116095642

WWW.ROBTEX.COM - p-smtp-l-relay01.nsf.gov

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p-smtp-l-relay01.nsf.gov checked at 2025-11-18T20:14:20.111Z 959ms 37/37/37 100% R:15 allDone:true timedOut:false

p-smtp-l-relay01.nsf.gov

CNAMEp-smtp-l-rly01.nsf.gov
A128.150.5.42🇺🇸 NSF-HQ-AS
PTRp-smtp-l-rly01.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-relay01.nsf.gov points to a single IP: 128.150.5.42.

Other host names such as p-smtp-l-rly01.nsf.gov and w655321.nsf.gov share IP numbers with p-smtp-l-relay01.nsf.gov.

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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