fsfe.org

Observed Jul 22, 2026, 01:18 UTC (2d 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 onPLUTEX

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco_40k

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

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

fsfe.org

A / AAAA

31.24.147.87213.95.165.542a02:16d0:1004:5a00:f5f3::872001:780:215:1::54

PLUTEXserves the site

geoffroy.fsfeurope.orgtennant.fsfeurope.org

fsfeurope.organswers its DNS

mail2.fsfe.orgmail3.fsfe.org

fsfe.orgreceives its email

TLS

fsfe.org

Let's Encryptissued its certificate

DNS Records

A 2

31.24.147.87
213.95.165.54

AAAA 2

2a02:16d0:1004:5a00:f5f3::87
2001:780:215:1::54

MX 2

5mail2.fsfe.org
20mail3.fsfe.org

TXT 2

v=spf1 mx ip4:217.69.89.128/26 ip4:188.172.205.112/28 ip4:213.95.165.48/28 ip4:31.24.147.80/28 ip4:142.132.236.94/32 ip6:2001:aa8:ffed::/48 ip6:2a00:11c0:d:1::/64 ip6:2001:780:215:1::/64 ip6:2a02:16d0:1004:5a00::/56 ip6:2a01:4f8:c17:f631::1/128 -all
v=DMARC1; p=none

NS 2

geoffroy.fsfeurope.org
tennant.fsfeurope.org

SOA 1

tennant.fsfeurope.org hostmaster.fsfeurope.org

SRV 2

jabber.fsfe.org:5222 p5
jabber.fsfe.org:5269 p5

CAA 3

issuewild "letsencrypt.org"
issue "letsencrypt.org"
iodef "mailto:admin@fsfe.org"

TLS Certificates (2)

Common Name	Issuer	Expires
`fsfe.org`	C=US, O=Let's Encrypt, CN=R13	Mon, 24 Aug 2026 21:47:51 +0000
`R13`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)

www.fsfe.org

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

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

Ed25519 Receipt

Receipt ID: rcpt_bd3774db46c3a521
Output Hash: 18a238c1befe19b60b2f7b4516759021abab8060eb2ba561dc1b078cde5d998b
Signature: ed25519:546d099a3b5e4c3fbb6044bcb3a9b0651ea98662fa8ab2441b65431023a57dcaf102af8c736388858abca474c7255a7d8c45693ee1332ff3365418168dc03f08
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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