fosdem.org

Observed Jul 18, 2026, 13:39 UTC (15h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onTigron

Secured byLet's Encrypt

Registered withKey-Systems GmbH

IPv6 · 1 subdomain · tranco_40k

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

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

fosdem.org

A / AAAA

31.22.22.1402001:67c:1808::140

Tigronserves the site

ns1.x-net.bens1.fosdem.orgns2.fosdem.orgns5.he.net

x-net.be + fosdem.org + moreanswers its DNS

mail.fosdem.org

fosdem.orgreceives its email

TLS

fosdem.org

Let's Encryptissued its certificate

DNS Records

A 1

31.22.22.140

AAAA 1

2001:67c:1808::140

MX 1

10mail.fosdem.org

TXT 1

v=spf1 ip4:31.22.22.142 ip6:2001:67c:1808::142 ip4:91.203.57.13 ?all

NS 4

ns1.x-net.be
ns1.fosdem.org
ns2.fosdem.org
ns5.he.net

SOA 1

ns1.fosdem.org hostmaster.fosdem.org

CAA 1

issue "letsencrypt.org"

TLS Certificates (3)

Common Name	Issuer	Expires
`fosdem.org`	C=US, O=Let's Encrypt, CN=YR1	Tue, 08 Sep 2026 06:33:36 +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.fosdem.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 fosdem.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 43d74fb7-f0a4-4083-988c-3f70432365a9
Output Hash: f56295575e387b27c5520ad91bc62d0026e67592ff739948b8b269916eee200b
Signature: ed25519:43183010e4a33737124a6e69924c060070eb4deedd3e961aca2554dbc1dd7b9b2dd25ed348efbe5843179e97dd5ad049de518f735af00b704f1e8706eac64e0b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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