utad.pt

Last scanned 13h 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.

Up right now
Runs onFundacao para a Ciencia e a Tecnologia
Email byMicrosoft 365
Secured byHellenic Academic and Research Institutions CA
1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for utad.pt 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 10

A1NS2MX1TXT2CAA2SRV1SOA1

TLS certificates 3

Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresFri, 22 Ja (151d)
Certificate nameswithheld

Subdomains 1

1 subdomain hostname observed and signed - the list itself is part of the paid record.

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 receipt
Ed25519 receiptthe raw cryptographic proof
Receipt ID
rcpt_6e66dbaefe67a1bc
Output Hash
92255be80e9b4440d6537120ea6886012660ff2900aecb826d189ed92eef5229
Signature
ed25519:65878e6696ba92ce324196bf9ca583ab2f1b4ce1faa3cde7841cf7ca87aea5765b0533d5895418f62e43adc281ad4a4c53044c6c07cceff0a2506a16fa1fb20b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT3,436 material changesacross 2,111 domains · 24h to ~6h ago · -444 vs yesterdayROTATION53 domains moved DNS from koaladns.com to kirklanddc.com, 50 moved backa rotation loop, not a migration · 24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT4 changed registrar24hNOW333 curated domains not reachablelast probe, steadySITE ERRORS17,805 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,117 sites429 rate-limit / 403 bot-block, a posture signal