cdz.edu.pl

Last scanned 1h ago; the signed record is unchanged since 10d 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 byHubSpot
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for cdz.edu.pl 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

A1NS2MX1TXT3SOA1

TLS certificates 3

Issued byLet's Encrypt
ExpiresSun, 13 Se (23d)
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_7d31b9b152db8753
Output Hash
f4a136a9730b78a84dbd634cef3aa425553398245939160bfa5b4ad8cf30a81d
Signature
ed25519:cdc20e6b58669f7929b75e0c642e5e85cf429d5bb058d775a5b203b94e69a9795e288bad5bbbf2c6a9a5aa2c3496875e41e1ec5879606b5ad06db8f213cbdf02
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT12,970 material changesacross 10,696 domains · 24h to ~16h ago · +6,308 vs yesterdayROTATION73 domains moved DNS from koaladns.com to kirklanddc.com, 72 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT4 changed registrar24hNOW176 curated domains not reachable+56 vs yesterdaySITE ERRORS17,787 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 77,960 sites429 rate-limit / 403 bot-block, a posture signal