CONTINUOUS INTERNET TELEMETRY24H DRIFT10,182 material changesacross 9,753 domains · -447 vs yesterdayDNS DRIFT665 domains changed DNS providertop destination parity.domains · -115 vs yesterdayEMAIL DRIFT193 domains switched email providertop destination outlook.com · +23 vs yesterdayCERT DRIFT236 domains switched issuing CA24h · +6 vs yesterdayNOW695 curated domains not reachable-654 vs yesterdaySITE ERRORS17,931 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED96,172 throttled or blocked our scanner429 rate-limit / 403 bot-block

opencv.org

Observed Jul 22, 2026, 00:36 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.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Registered withGoDaddy.com, LLC
Also usesGoogle Search Console
IPv6 · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat opencv.org actually stands on - every host below is a signed observation
opencv.org
A / AAAA
104.26.14.224104.26.15.224172.67.72.852606:4700:20::681a:ee0+2 more
Cloudflareserves the site
NS
nina.ns.cloudflare.comstan.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
opencv.org
Google Trust Servicesissued its certificate

DNS Records

A 3

  • 104.26.14.224
  • 104.26.15.224
  • 172.67.72.85

AAAA 3

  • 2606:4700:20::681a:ee0
  • 2606:4700:20::ac43:4855
  • 2606:4700:20::681a:fe0

MX 5

  • 1aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 10alt4.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 9

  • 43c363f5-55bc-4a78-ad2a-1d2f79225085
  • _globalsign-domain-verification=AfIUsqMo_BNmwiXqouAXz9KbkWiI-prm1P0UCLvXRO
  • google-site-verification=5QC19TB-PMA8dMlHDllsRRmI-7MYaXDxNcB8vXzshFc
  • google-site-verification=E1ORT1srY97eSSmZOBedZqyVzeJduh1Jll_ehu3hn28
  • google-site-verification=_RUwdW7VMzMZijQGeaO3zIkuiPMhzXgf6TYj9pSfITw
  • linkedin-site-verification=68642795-a0c7-426d-bb71-d3e359c0a1e4
  • v=spf1 include:_spf.google.com include:mailgun.org -all
  • v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:ee351020@dmarc.mailgun.org,mailto:6b49a88f@inbox.ondmarc.com; ruf=mailto:ee351020@dmarc.mailgun.org,mailto:6b49a88f@inbox.ondmarc.com;
  • v=STSv1; id=2025071401

NS 2

  • nina.ns.cloudflare.com
  • stan.ns.cloudflare.com

SOA 1

  • nina.ns.cloudflare.com dns.cloudflare.com

CAA 10

  • issue "comodoca.com"
  • issue "digicert.com; cansignhttpexchanges=yes"
  • issue "letsencrypt.org"
  • issue "pki.goog; cansignhttpexchanges=yes"
  • issue "ssl.com"
  • issuewild "comodoca.com"
  • issuewild "digicert.com; cansignhttpexchanges=yes"
  • issuewild "letsencrypt.org"
  • issuewild "pki.goog; cansignhttpexchanges=yes"
  • issuewild "ssl.com"

TLS Certificates (3)

Common NameIssuerExpires
opencv.org C=US, O=Google Trust Services, CN=WE1 Tue, 06 Oct 2026 21:03:14 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +0000

Subdomains (0)

None observed.

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

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

Ed25519 Receipt

Receipt ID
rcpt_85489972d52530c6
Output Hash
031e63b8f9221e31057126ceb478ea6fc590d7ea5419d1aceaf29fa7f64ee1b7
Signature
ed25519:b63edc6a6e3e35bfc0a64ec5b1edc753b238d490cacb643a4c98ebbfce12b0fb0f0aff52efef600a2e1d3e16b8b84c06ed2d00e996f80ad38c0f704b60ad3102
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser