flu.gov

Observed Jul 24, 2026, 02:47 UTC (3h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAkamai International B.V

Secured byLet's Encrypt

Registered withget.gov

IPv6 · 1 subdomain · government_expanded

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

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

flu.gov

A / AAAA

23.212.251.6823.212.251.882600:1408:c400:11::17cd:6b4e2600:1408:c400:11::17cd:6b57

Akamai International B.Vserves the site

a1-43.akam.neta2-64.akam.neta5-66.akam.neta8-67.akam.net+2 more

akam.netanswers its DNS

TLS

www.cdc.gov

Let's Encryptissued its certificate

DNS Records

A 2

23.212.251.68
23.212.251.88

AAAA 2

2600:1408:c400:11::17cd:6b4e
2600:1408:c400:11::17cd:6b57

TXT 3

rybj1bqbjkks1t14ctsgm4qpqz96mt9j
v=spf1 ip4:198.246.110.0/25 ip4:198.246.125.0/25 ip4:158.111.54.0/25 ip4:158.111.190.128/25 ip4:198.246.117.0/25 ip4:198.246.121.0/25 ip4:198.246.99.0/25 ip4:158.111.145.128/25 ip4:124.17.27.36 ip4:158.111.5.34 ip4:155.95.81.35 ip4:155.95.96.50 include:spf.messagelabs.com ~all
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:8idhoybh@ag.us.dmarcian.com,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:8idhoybh@fr.us.dmarcian.com;

NS 6

a1-43.akam.net
a2-64.akam.net
a5-66.akam.net
a8-67.akam.net
a9-64.akam.net
a28-65.akam.net

SOA 1

ns2.cdc.gov dnsadmin.cdc.gov

TLS Certificates (3)

Common Name	Issuer	Expires
`www.cdc.gov`	C=US, O=Let's Encrypt, CN=YR1	Mon, 28 Sep 2026 13:32:05 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.flu.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 flu.gov. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_6935427bfcb57506
Output Hash: 98c5df2a97b32a761340f24291c3eb2c960de950775d934e2aa087305587ed31
Signature: ed25519:95dddbde97944d5918d232bf8a1902150de9670be5c8ac9bfd76fcb9303eb047cd343fab0bfacd9a9cbaf7f065fc2a772f9c88791d126ba4f033f30ecbbcfc06
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/flu.gov