sim.edu.sg
Last scanned 49m ago; the signed record is unchanged since 11d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byMicrosoft 365
Microsoft 365Secured byGlobalSign
GlobalSignAlso usesZoomSafebreachGlobalSignAtlassian
Zoom
Atlassiantranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for sim.edu.sg 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 24
A4NS4MX1TXT14SOA1
TLS certificates 2
Issued byGlobalSign
ExpiresWed, 02 Se (11d)
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_004775abd2c087e8- Output Hash
0b4012751fcff2126b07a7cfa5daaafee4e13b8feb909869d3afac7ff3beae85- Signature
ed25519:864f4a09c5af19c691843288c1092ffe7c6568d6e045ac612024580f81defbad8b7b2df370095985aecf5fe9f60880c00afc4c567d9afed4a3c87d6d31167c03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast