chalk.com
Last scanned 17h 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
Runs onGoogle
GoogleEmail byMicrosoft 365
Microsoft 365Secured byLet's Encrypt
Let's EncryptRegistered withCloudflare, Inc.
Cloudflare, Inc.Also usesAppleGlobalSignGoogle Search ConsoleRovagStripeWP Engine
Apple
GlobalSign
Google Search Console
Stripe
WP Enginetranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for chalk.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 38
A1NS2MX7TXT12CAA15SOA1
TLS certificates 3
Issued byLet's Encrypt
ExpiresWed, 21 Oc (62d)
Certificate nameswithheld
Subdomains 0
None observed.
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 receiptEd25519 receiptthe raw cryptographic proof
- Receipt ID
rcpt_6fe72817a67d601d- Output Hash
babd56cf49a799ac135500130c0f9e6e63b5825d0368f01c4aa6b6a4bba7d376- Signature
ed25519:dd97cf463671242ec9646f7482ef677f6091ba7e1100d496249919ad2fd4746b9f3e2aa78439389f757fb068d283042cb75b794c7d289b64593ebaa62d11c60e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast