gct.com

Last scanned 14h ago; the signed record is unchanged since 12d 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 byMicrosoft 365
Secured byLet's Encrypt
Also usesDynatraceAdobeAtlassianFacebook/MetaGoogle Search ConsoleYahoo
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for gct.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 27

A2AAAA2NS2MX1TXT19SOA1

TLS certificates 4

Issued byLet's Encrypt
ExpiresWed, 30 Se (38d)
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_a6a1476de99ab18b
Output Hash
5f9469ff873f23b7e4df6a3a5190a32702613c838fa2c89934a94be662bb22fd
Signature
ed25519:ed77ad1158a3e7492b920658000fcea9ceeeae7774344fdd1f96f709e02473570905f9bf4944a8a6297732f34d9a3a8d751d9e39ad1010f942d798b9cb77e004
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT27,483 material changesacross 16,090 domains · 24h to ~2h agoROTATION59 domains moved DNS from koaladns.com to kirklanddc.com, 52 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT1 changed registrar24hNOW236 curated domains not reachable+27 vs yesterdaySITE ERRORS17,817 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,321 sites429 rate-limit / 403 bot-block, a posture signal