ioffe.ru
Last scanned 17h 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.
Up right now
Runs onIoffe Physical-Technical Institute of the Russian Academy of Sciences
Secured byLet's Encrypt
Let's EncryptRegistered withRU-CENTER-RU
Also usesGoogle Search Console
Google Search Consoletranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for ioffe.ru 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
A1NS2MX2TXT2SOA1
TLS certificates 4
Issued byLet's Encrypt
ExpiresMon, 14 Se (18d)
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_680590895715d47f- Output Hash
8f6af78092a9625ec75ffafdb22947404fcaca799da690d0619f53646de6f542- Signature
ed25519:251a0eb882135422ade05e37a98cee68cf2b2d627a1ae8a48a5eb99547d8e4487e949b44b5057aee1a3b3e14f45b230e0c1999f8d7147e5c592db7182acbd00e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast