tcf.org

Observed Jul 29, 2026, 13:33 UTC (7h 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 onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Also usesFacebook/MetaGoogle Search Console

IPv6 · tranco_100k

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

INFRASTRUCTURE MAPwhat tcf.org actually stands on - every host below is a signed observation

tcf.org

A / AAAA

172.67.74.104104.26.0.8104.26.1.82606:4700:20::681a:8+2 more

Cloudflareserves the site

cass.ns.cloudflare.comzod.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

tcf.org

Google Trust Servicesissued its certificate

DNS Records

A 3

172.67.74.104
104.26.0.8
104.26.1.8

AAAA 3

2606:4700:20::681a:8
2606:4700:20::681a:108
2606:4700:20::ac43:4a68

MX 5

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 4

facebook-domain-verification=unubjbzctq14nk7hfrnyse3ia3bbs4
google-site-verification=PgcldYeVFm5wax7rshMp_0IT3tv30gArAurTM4GHy74
v=spf1 include:_spf.google.com ~all
v=DMARC1; p=none;

NS 2

cass.ns.cloudflare.com
zod.ns.cloudflare.com

SOA 1

cass.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`tcf.org`	C=US, O=Google Trust Services, CN=WE1	Sat, 19 Sep 2026 15:16:51 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +0000

Subdomains (0)

None observed.

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 tcf.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_0670edd030327b7a
Output Hash: b6533b0e4f1678db80357aafda634862e73deed409206b346faeb751cbd757e3
Signature: ed25519:b3de98aee4feefcabde62f56641c0e9ca4d13bc00250c150ca6eb6822ba1276efb251931311803244effcfcf0910c736e089da1926e3cfd5b7a30ab6d80c080f
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/tcf.org