casacourses.com

Last scanned 22h 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 byGoogle (SPF sender)
Secured byLet's Encrypt
Registered withENOM, INC.
Also usesGoogle Search Console
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 casacourses.com 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

A1NS3TXT3SOA1

TLS certificates 3

Issued byLet's Encrypt
ExpiresWed, 07 Oc (47d)
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_e5a72d481af01a46
Output Hash
51bfe2623f21d1bdf77268f174cbdeacf96eaf9b65b7bebec44d817fd19f16e0
Signature
ed25519:ed5fab2092b614a9a48aeb447698b894f82b7385c37573f5ecaa02f92a889d29d83aed599e0c4ba3c25fa8619077d43faf435f934b60200163d3e1faa3320f02
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT12,679 material changesacross 10,593 domains · 24h to ~17h ago · +6,017 vs yesterdayROTATION74 domains moved DNS from koaladns.com to kirklanddc.com, 72 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT4 changed registrar24hNOW182 curated domains not reachable+62 vs yesterdaySITE ERRORS17,777 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 77,934 sites429 rate-limit / 403 bot-block, a posture signal