CF1762166281614-tsm20251102073205

WWW.ROBTEX.COM - nsf.gov

Search for IP or hostnames:

nsf.gov checked at 2025-11-03T10:38:01.596Z 879ms 232/232/232 100% R:21

nsf.gov

NSns1.nsf.gov
A2620:10f:6001:2::55๐Ÿ‡บ๐Ÿ‡ธ NSF-HQ-AS
PTRns1.nsf.gov
PTRp-dns-ext-l-01.nsf.gov
A128.150.2.55๐Ÿ‡บ๐Ÿ‡ธ NSF-HQ-AS
PTRns1.nsf.gov
NSns2.nsf.gov
A2620:10f:6001:2::56๐Ÿ‡บ๐Ÿ‡ธ NSF-HQ-AS
PTRns2.nsf.gov
PTRp-dns-ext-l-02.nsf.gov
A128.150.2.56๐Ÿ‡บ๐Ÿ‡ธ NSF-HQ-AS
PTRns2.nsf.gov
MXalt1.us.etp.fireeyegov.com
A15.200.32.4๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-pswhniu.email.us.etp.fireeyegov.com
A15.200.32.5๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-k1cz7zl.email.us.etp.fireeyegov.com
A15.200.32.6๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-hfpw1ne.email.us.etp.fireeyegov.com
MXalt2.us.etp.fireeyegov.com
A15.200.32.4๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-pswhniu.email.us.etp.fireeyegov.com
A15.200.32.5๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-k1cz7zl.email.us.etp.fireeyegov.com
A15.200.32.6๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-hfpw1ne.email.us.etp.fireeyegov.com
MXalt3.us.etp.fireeyegov.com
A15.200.32.4๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-pswhniu.email.us.etp.fireeyegov.com
A15.200.32.5๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-k1cz7zl.email.us.etp.fireeyegov.com
A15.200.32.6๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-hfpw1ne.email.us.etp.fireeyegov.com
MXprimary.us.etp.fireeyegov.com
A15.200.32.4๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-pswhniu.email.us.etp.fireeyegov.com
A15.200.32.5๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-k1cz7zl.email.us.etp.fireeyegov.com
A15.200.32.6๐Ÿ‡บ๐Ÿ‡ธ AWS-GOVCLOUD
PTRmta-hfpw1ne.email.us.etp.fireeyegov.com
A2620:10f:6002:221::244๐Ÿ‡บ๐Ÿ‡ธ NSF-HQ-AS
PTRnsf.gov
PTRwww-legacy-f5.nsf.gov
A128.150.221.244๐Ÿ‡บ๐Ÿ‡ธ NSF-HQ-AS
PTRnsf.gov
PTRwww-legacy-f5.nsf.gov

gov

NSa.ns.gov
NSb.ns.gov
NSc.ns.gov
NSd.ns.gov
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.

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AI analysis

nsf.gov is a parent of accessdev.nsf.gov, ns1.nsf.gov, www-legacy-f5.nsf.gov, p-dns-ext-l-01.nsf.gov, bear.nsf.gov and several other host names.

nsf.gov resolves to two IPs: 2620:10f:6002:221::244 and 128.150.221.244.

Other host names, for instance www-legacy-f5.nsf.gov, share IP numbers with nsf.gov.

nsf.gov is delegated to two name servers: ns1.nsf.gov and ns2.nsf.gov.

nsf.gov shares the same name server setup as other domains, for example 2.150.128.in-addr.arpa, acpt.research.gov, govdelivery.nsf.gov, 138.150.128.in-addr.arpa and 150.128.in-addr.arpa.

nsf.gov at least partially shares its name servers with other domains, for instance sr.nsf.gov.

These name servers are commonly used with the name servers ns3.nsf.gov.

Host names with two IP numbers:

ns1.nsf.gov points to 2620:10f:6001:2::55 and 128.150.2.55

ns2.nsf.gov points to 2620:10f:6001:2::56 and 128.150.2.56

Four mail servers handle nsf.gov: alt1.us.etp.fireeyegov.com, alt2.us.etp.fireeyegov.com, alt3.us.etp.fireeyegov.com and primary.us.etp.fireeyegov.com.

nsf.gov shares mail servers with other domains at least partially, including ees.hhs.gov, frtib.gov, fatherhood.gov, cdc.gov and hiv.gov.

these mail servers are commonly used alongside mx.us.etp.fireeyegov.com.

Host names with three IPs:

alt1.us.etp.fireeyegov.com points to 15.200.32.4, 15.200.32.5 and 15.200.32.6.

alt2.us.etp.fireeyegov.com points to 15.200.32.4, 15.200.32.5 and 15.200.32.6.

alt3.us.etp.fireeyegov.com points to 15.200.32.4, 15.200.32.5 and 15.200.32.6.

primary.us.etp.fireeyegov.com points to 15.200.32.4, 15.200.32.5 and 15.200.32.6.

Hostnames that point to 15.200.32.4: alt1.us.etp.fireeyegov.com, alt2.us.etp.fireeyegov.com, alt3.us.etp.fireeyegov.com and primary.us.etp.fireeyegov.com.

Hostnames that point to 15.200.32.5: alt1.us.etp.fireeyegov.com, alt2.us.etp.fireeyegov.com, alt3.us.etp.fireeyegov.com and primary.us.etp.fireeyegov.com.

Hostnames that point to 15.200.32.6: alt1.us.etp.fireeyegov.com, alt2.us.etp.fireeyegov.com, alt3.us.etp.fireeyegov.com and primary.us.etp.fireeyegov.com.

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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npNfBna CF johedugfp 2025-11-03