CONTINUOUS INTERNET TELEMETRY24H DRIFT1,499 material changesacross 1,032 domains · last 24h · -8,916 vs yesterdayDNS DRIFT39 domains changed DNS providertop destination cloudflare.com · -620 vs yesterdayEMAIL DRIFT9 domains switched email providertop destination google.com · -158 vs yesterdayCERT DRIFT11 domains switched issuing CA24h · -208 vs yesterdayNOW414 curated domains not reachable-289 vs yesterdaySITE ERRORS17,577 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,818 sites429 rate-limit / 403 bot-block, a posture signal

atlas.cern

Observed Jul 24, 2026, 04:11 UTC (18h 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.

Up right now
Secured bySectigo
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat atlas.cern actually stands on - every host below is a signed observation
atlas.cern
A / AAAA
188.184.76.1462001:1458:d00:3c::100:d7
2001serves the site
NS
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

  • 188.184.76.146

AAAA 1

  • 2001:1458:d00:3c::100:d7

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 NameIssuerExpires
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)

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

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

Ed25519 Receipt

Receipt ID
rcpt_ac0e388c8279ea93
Output Hash
c6efe5ead21750a0dabbc3f388576775249c3447693c41a73f8f5c900aa52a98
Signature
ed25519:4b0bf5f4bc01b83ab33087c8f4617692fff730631a4c45139f908fe36723e5707f6a4df284dfa83d349a53c2822e74f267270a40f0f84ff096b7ec2c06960e0d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser