WWW.ROBTEX.COM - www-legacy-f5.nsf.gov

Search for IP or hostnames:

www-legacy-f5.nsf.gov checked at 2025-09-19T21:24:02.325Z 525ms 46/46/46 100% R:17

`www-legacy-f5.nsf.gov`

A	2620:10f:6002:221::244^{🇺🇸 NSF-HQ-AS}
		PTR	`nsf.gov`
		PTR	`www-legacy-f5.nsf.gov`
A	128.150.221.244^{🇺🇸 NSF-HQ-AS}
		PTR	`nsf.gov`
		PTR	`www-legacy-f5.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

4.4.2.0.0.0.0.0.0.0.0.0.0.0.0.0.1.2.2.0.2.0.0.6.f.0.1.0.0.2.6.2.ip6.arpa

244.221.150.128.in-addr.arpa

AI analysis

Two IP numbers are pointed to by www-legacy-f5.nsf.gov: 2620:10f:6002:221::244 and 128.150.221.244.

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

dbq