CONTINUOUS INTERNET TELEMETRY24H DRIFT7,043 material changesacross 6,631 domains · last 24h · -3,372 vs yesterdayDNS DRIFT437 domains changed DNS providertop destination cloudflare.com · -222 vs yesterdayEMAIL DRIFT104 domains switched email providertop destination google.com · -63 vs yesterdayCERT DRIFT145 domains switched issuing CA24h · -74 vs yesterdayNOW480 curated domains not reachable-223 vs yesterdaySITE ERRORS17,395 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 96,734 sites429 rate-limit / 403 bot-block, a posture signal

semver.org

Observed Jul 24, 2026, 03:16 UTC (5h 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
Runs onFastly
Secured byLet's Encrypt
IPv6 · 1 subdomain · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat semver.org actually stands on - every host below is a signed observation
semver.org
A / AAAA
185.199.108.153185.199.109.153185.199.110.153185.199.111.153+4 more
Fastlyserves the site
NS
ns1.dnsimple-edge.comns2.dnsimple-edge.netns3.dnsimple-edge.ions4.dnsimple-edge.org
dnsimple-edge.com + dnsimple-edge.net + moreanswers its DNS
TLS
semver.org
Let's Encryptissued its certificate

DNS Records

A 4

  • 185.199.108.153
  • 185.199.109.153
  • 185.199.110.153
  • 185.199.111.153

AAAA 4

  • 2606:50c0:8000::153
  • 2606:50c0:8001::153
  • 2606:50c0:8002::153
  • 2606:50c0:8003::153

NS 4

  • ns1.dnsimple-edge.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple-edge.io
  • ns4.dnsimple-edge.org

SOA 1

  • ns1.dnsimple-edge.com admin.dnsimple.com

TLS Certificates (3)

Common NameIssuerExpires
semver.org C=US, O=Let's Encrypt, CN=YR2 Thu, 17 Sep 2026 03:59:51 +0000
YR2 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)

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

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

Ed25519 Receipt

Receipt ID
rcpt_5da69955df1cd4d6
Output Hash
69b168b667af8b5aa54b44afc5c2f3540935047fdea9cfae635c3ff71e06140e
Signature
ed25519:f4a8eeb082defc818a92a7e9ae8932cb02834f1fd89bed907786f438d5f355dc1f57fc74bcad8a6dc7241d5eb57962c10f3c614768b8fbcc8ecb2c53f2e08c04
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser