ccsf.edu
Last scanned 11h ago; the signed record is unchanged since 8d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Guarded by a firewall
Runs onCloudflare
CloudflareEmail byMicrosoft 365
Microsoft 365Secured byGoogle Trust Services
Google Trust ServicesAlso usesAdobe SignAmazon SESGoogle Search Console
Adobe Sign
Amazon SES
Google Search ConsoleIPv6 · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for ccsf.edu in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
SIGNED-OUT VIEW
Provider names, posture and counts are shown. The record values - every DNS answer, each subdomain hostname, raw TXT, IPs, cert names and WHOIS - are the product. Sign in for the full signed record, or use the API with a key.
DNS records 18
A2AAAA2NS3MX1TXT9SOA1
TLS certificates 3
Issued byGoogle Trust Services, GlobalSign
ExpiresTue, 10 No (78d)
Certificate nameswithheld
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 receiptthe raw cryptographic proof
- Receipt ID
rcpt_d13ca1ff9b51d33c- Output Hash
dcab312dc2c7779d26d69ede710ea9da75e211a34ede0e91d02427223f1e1664- Signature
ed25519:2cb66056c240d4c10bba3285bd051e4744baa26c00b0237f8c8ffadbc79a878457da7c00cd5dcf66b492e85646c3ea06ef2651750ba3dccc7c260368888f2f0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast