nsf.gov

Observed Jul 18, 2026, 12:27 UTC (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onU.S. National Science Foundation

Email byAmazon SES

Secured byDigiCert

Registered withget.gov

Also usesZoomGoogle Search ConsoleAtlassian

IPv6 · 1 subdomain · push_legacy

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat nsf.gov actually stands on - every host below is a signed observation

nsf.gov

A / AAAA

128.150.221.2442620:10f:6002:221::244

U.S. National Science Foundationserves the site

ns1.nsf.govns2.nsf.govns3.nsf.gov

nsf.govanswers its DNS

primary.us.etp.fireeyegov.comalt1.us.etp.fireeyegov.comalt2.us.etp.fireeyegov.comalt3.us.etp.fireeyegov.com

Amazon SESreceives its email

TLS

www-legacy-f5.nsf.gov

DigiCert Incissued its certificate

DNS Records

A 1

128.150.221.244

AAAA 1

2620:10f:6002:221::244

MX 4

10primary.us.etp.fireeyegov.com
20alt1.us.etp.fireeyegov.com
30alt2.us.etp.fireeyegov.com
40alt3.us.etp.fireeyegov.com

TXT 24

<metaname="zoom-domain-verification"content="ZOOM_verify_b3xjZjUUQx-tJoqy4aCUyg">
_lzfje4ty3ldoyjyctn0ynh388feixlo
_xosz4nirm95jhg4vwddfa6ihnqvxb5y
ZOOM_verify_e-wubZa8RVevvUsuV9EDjg
ZOOM_verify_vIOQy6f2SQWeZ2977lDjcQ
jamf-site-verification=_ilsvY6K1PzATsYm5gIUdA
amazonses:CJeGepY8qu0s5Rvnp0WG10sbMjRq+6TZ7fiY6bMqpiI=
amazonses:DamZDYghwrc36rQV5r31e65CG+IMCDnwWTHIYOBhJXw=
amazonses:KT2VTwGZXoLetXUWN88a5yYAGXBROcTpc2ZnkOfLDJs=
amazonses:WZKkPkyla+989ZOi22G9mHBRQ5+AFckOtwOzHCrGjw0=

NS 3

ns1.nsf.gov
ns2.nsf.gov
ns3.nsf.gov

SOA 1

p-dns-i-gridmstr01.nsf.gov postmaster.nsf.gov

SRV 6

expresswayedge1.nsf.gov:5060 p10
expresswayedge2.nsf.gov:5060 p10
expresswayedge1.nsf.gov:5061 p10
expresswayedge2.nsf.gov:5061 p10
xmpp.nsf.gov:5222 p0
lyncxmpp.nsf.gov:5269 p100

TLS Certificates (3)

Common Name	Issuer	Expires
`www-legacy-f5.nsf.gov`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Tue, 19 Jan 2027 23:59:59 +0000
`DigiCert Global G2 TLS RSA SHA256 2020 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Sat, 29 Mar 2031 23:59:59 +0000
`DigiCert Global Root G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Fri, 15 Jan 2038 12:00:00 +0000

Subdomains (1)

www-legacy-f5.nsf.gov

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for nsf.gov. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/nsf.gov">
  <img src="https://domaindrift.io/badge/nsf.gov.svg"
       width="300" height="64" alt="DomainDrift signed observations for nsf.gov">
</a>

Ed25519 Receipt

Receipt ID: 88a4885f-dbc2-4d74-91da-5d379e969a84
Output Hash: ae07659790719799028ff477c23b3a462fd0ed31ec3f3e09084fbcc925baf349
Signature: ed25519:5833b97d5e8658282e70dd141e8b7bfa474780f42f6d9b9ecd67e259bcad105f017e35f54994498a0057e28a3cb8bbd821d97c33efbe7a845b464c2f8640ac04
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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