course-notes.org
Last scanned 15h ago; the signed record is unchanged since 16d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Not responding
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Registered withMoniker Online Services LLC
Also usesBotify
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for course-notes.org 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 16
A2AAAA2NS2MX5TXT4SOA1
TLS certificates 3
Issued byGoogle Trust Services, GlobalSign
ExpiresSat, 10 Oc (45d)
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_77980343e258be5d- Output Hash
e93cc5b957d27222fa75c0ed5f026d72a93c3af0481111ab9c0457b5aff01ded- Signature
ed25519:9ef84f00cb11cb697c6e991865693911947ad5acc74e6beea20c24693a7b7be1bd8a9bf5fe586317cf352b50b3e4a5173f61176a0fb6cf7a737f789d31af6f0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast