WWW.ROBTEX.COM - p-dns-ext-l-01.nsf.gov

Search for IP or hostnames:

p-dns-ext-l-01.nsf.gov checked at 2025-11-16T15:40:39.751Z 477ms 36/36/36 100% R:11 allDone:true timedOut:false

`p-dns-ext-l-01.nsf.gov`

A	2620:10f:6001:2::55^{🇺🇸 NSF-HQ-AS}
		PTR	`ns1.nsf.gov`
		PTR	`p-dns-ext-l-01.nsf.gov`

`nsf.gov`

	NS	`ns1.nsf.gov`
	NS	`ns2.nsf.gov`
	MX	`alt1.us.etp.fireeyegov.com`
	MX	`alt2.us.etp.fireeyegov.com`
	MX	`alt3.us.etp.fireeyegov.com`
	MX	`primary.us.etp.fireeyegov.com`
	A	2620:10f:6002:221::244^{🇺🇸 NSF-HQ-AS}
	A	128.150.221.244^{🇺🇸 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.

PTR for

5.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.1.0.0.6.f.0.1.0.0.2.6.2.ip6.arpa

AI analysis

p-dns-ext-l-01.nsf.gov points to a single IP: 2620:10f:6001:2::55.

Other host names, for instance ns1.nsf.gov, share IP numbers with p-dns-ext-l-01.nsf.gov.

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