CONTINUOUS INTERNET TELEMETRY24H DRIFT7,874 material changesacross 7,306 domains · 24h to ~2h ago · -889 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

yellowcard.io

Observed Aug 2, 2026, 08:31 UTC (23h 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 byLet's Encrypt
Also usesDocuSignFacebook/MetaSlackGoogle Search ConsoleNotionAtlassian
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yellowcard.io actually stands on - every host below is a signed observation
yellowcard.io
A / AAAA
104.18.4.247104.18.5.2472606:4700::6812:4f72606:4700::6812:5f7
Cloudflareserves the site
NS
riya.ns.cloudflare.comanirban.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
yellowcard.io
Let's Encryptissued its certificate

DNS Records

A 2

  • 104.18.4.247
  • 104.18.5.247

AAAA 2

  • 2606:4700::6812:4f7
  • 2606:4700::6812:5f7

MX 5

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

TXT 23

  • MS=ms44792461
  • proxy-ssl.webflow.com
  • 00DDm000000Hcjr=1TBVR00000009JR
  • _aviekka6iv7shhhumuv7p80x4vxdvdc
  • apple-domain-verification=djmUZplWOU4pPWYl
  • MS=91DA3FC8401E2746485588456A97E5F9E24EA0E8
  • docusign=046c83b7-910b-4497-a987-e28d7de30c98
  • bw=84cYrPweK2uX1MfMCKGXmSPNEcZOBg5gDHvbmzQvbN64
  • pylon-domain-verification-b06efs=gx1M3VdO8lEeVO1J2IMhgpMYY
  • facebook-domain-verification=1ay4o1dmj11jxomouc4996kfpyjbp9

NS 2

  • riya.ns.cloudflare.com
  • anirban.ns.cloudflare.com

SOA 1

  • anirban.ns.cloudflare.com dns.cloudflare.com

CAA 18

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

DMARC_RECORDS 1

  • v=DMARC1; p=reject; rua=mailto:re+7d78cfae3fc4@inbound.dmarcdigests.com; adkim=r; aspf=s

BIMI_RECORDS 1

  • v=BIMI1;l=https://images.yellowcard.io/yc_bimi.svg;

TLS Certificates (4)

Common NameIssuerExpires
yellowcard.io C=US, O=Let's Encrypt, CN=YE2 Tue, 22 Sep 2026 08:47:31 +0000
YE2 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +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

Ed25519 Receipt

Receipt ID
rcpt_f1186733261e0bb5
Output Hash
e1aafbc86f6c49fc305abf8557854079f8b94e62439177d161730707cedb7b16
Signature
ed25519:c7525dae7870785ae00455f6a90261782bd81f10139a8ccfe90aa66f746fc4075c2e4bb3370f85be9e7994c88b7649273859a39b555361a73aad1cf471b5a20f
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser