rtfd.org

Observed Jul 28, 2026, 09:48 UTC (20h 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 byLet's Encrypt

IPv6 · majestic

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

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

rtfd.org

A / AAAA

104.16.254.120104.16.253.1202606:4700::6810:fd782606:4700::6810:fe78

Cloudflareserves the site

ivan.ns.cloudflare.comtegan.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

rtfd.org

Let's Encryptissued its certificate

DNS Records

A 2

104.16.254.120
104.16.253.120

AAAA 2

2606:4700::6810:fd78
2606:4700::6810:fe78

MX 5

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

NS 2

ivan.ns.cloudflare.com
tegan.ns.cloudflare.com

SOA 1

ivan.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common Name	Issuer	Expires
`rtfd.org`	C=US, O=Let's Encrypt, CN=YE2	Fri, 16 Oct 2026 09:16:51 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +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 rtfd.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_77e7bb6975a07243
Output Hash: d53dc24bfea5b9956b10dda5a027a37cd94d9d290d48bcd077788f50467561f5
Signature: ed25519:e520eff2c8ae46a20757b68aa21ee835b20dfe76a49714b320bfdd7bc0067c8afec137aa36b7df53ce5fc53567e14feac4ceebe814474f34c989a0bcfdccc80d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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