it4.school
Last scanned 16h ago; the signed record is unchanged since 15d 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
Runs onHetzner Online
Secured byLet's Encrypt
Let's EncryptRegistered withKey-Systems, LLC
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for it4.school 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 8
A1NS3MX1TXT1SRV1SOA1
TLS certificates 3
Issued byLet's Encrypt
ExpiresFri, 09 Oc (43d)
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_fb4b2bab4aaa6b8c- Output Hash
c93aa19fad1b0dd0326ac118f8b57239210cfdb4c252f35bdc6ed143f669807f- Signature
ed25519:19d684bdd0f6c7f4ee766df67e7a8993cab6bfc223d21da52a99e6db126f139fe7968f10153cbcb0f0147809f7ce857a4e9d3d5893e1f2309e6ec3c8eced3108- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast