groningen.nl

Last scanned 8h ago; the signed record is unchanged since 19d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

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Up right now
Runs onOSSO B.V
Secured byLet's Encrypt
Also usesMicrosoft 365QuoVadis (DigiCert)MiroFacebook/MetaGlobalSign
DNSSEC on · 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 groningen.nl 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 32

A1NS2MX2TXT18CAA8SOA1

TLS certificates 3

Issued byLet's Encrypt
ExpiresThu, 17 Se (18d)
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_57bbd170625268d3
Output Hash
007146fe5146ce1efa31b934e967c72b83ef4f012b20a8e66257acf155df4ec1
Signature
ed25519:a2aa8ea8634623d78465945013c4546b3c33d406cd6a06e89b694cf1cd7b8c20c9d30eb236587b4ab870563415085fb069323249d2d3b59784cde5b3de01c502
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT28,753 material changesacross 23,364 domains · 24h to ~60m agoROTATION59 domains moved DNS from magpiedns.com to koaladns.com, 56 moved backa rotation loop, not a migration · 24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT4 changed registrar24hNOW561 curated domains not reachablelast probe, steadySITE ERRORS18,198 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,877 sites429 rate-limit / 403 bot-block, a posture signal