arts.cern

Observed Jul 25, 2026, 23:07 UTC (7d 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.

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Up right now

Secured bySectigo

IPv6 · 1 subdomain · majestic

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

INFRASTRUCTURE MAPwhat arts.cern actually stands on - every host below is a signed observation

arts.cern

A / AAAA

137.138.226.1901:1458:201:4::100:324

unattributedserves the site

ext-dns-2.cern.chext-dns-1.cern.ch

cern.chanswers its DNS

TLS

www.cern.ch

Sectigo Limitedissued its certificate

DNS Records

A 1

137.138.226.190

AAAA 1

1:1458:201:4::100:324

NS 2

ext-dns-2.cern.ch
ext-dns-1.cern.ch

SOA 1

ext-dns-1.cern.ch external-dns.cern.ch

TLS Certificates (3)

Common Name	Issuer	Expires
`www.cern.ch`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36	Tue, 24 Nov 2026 23:59:59 +0000
`Sectigo Public Server Authentication CA OV R36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (1)

www.arts.cern

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 arts.cern. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_5d9d14e1bc0e3716
Output Hash: 98f75e4fea26e5d9873248d85d9e2e92aa8e3d928a61b70243bc01f108205a53
Signature: ed25519:bab56e73284f122f9791495d0857727ce83cd890a8c45b2f78347fd7a7cf5c853d0e2b642db38c933fdafc9ba0233a91534a28ced9309eaa4b0fe6c91128210a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/arts.cern