flu.gov

Observed 2026-07-15T03:41:25.891Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

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

23.211.124.20623.211.124.1982600:1405:7400:1d::17c2:7f382600:1405:7400:1d::17c2:7f42

Cloudflareserves the site

a9-64.akam.neta28-65.akam.neta5-66.akam.neta2-64.akam.net+2 more

akam.netanswers its DNS

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.cdc.gov/flu/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time174 ms

DNS resolutionNOERROR

Redirect chain

https://www.cdc.gov/flu/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

23.211.124.206
23.211.124.198

AAAA 2

2600:1405:7400:1d::17c2:7f38
2600:1405:7400:1d::17c2:7f42

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=DNSSEC1; (detected)

NS 6

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

SOA 1

ns2.cdc.gov dnsadmin.cdc.gov

TLS Certificates (0)

None.

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: cfb6e8dd-95c8-4f83-8d74-941c497c528f
Output Hash: d086be4b2aa480e8ecdd59f41e2b7707ec6b3e4bc703f73953d9d5cf2c105d2c
Signature: ed25519:009813c87867575ad33b81ee38bedd785ec70dc1936edb766cea73c789fc9310ede1ef9f2974b9e3da949af5236f695d8a5e2fe7a26683ad21b8b5ec16ca2e0f
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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