grandchallenges.ca
Last scanned 6h ago; the signed record is unchanged since 14d 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 onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Registered toGrand Challenges Canada
Registered withGo Daddy Domains Canada, Inc
Also usesAppleCanvaBitwardenOpenAIAnthropicGoogle Search ConsoleCoursera
DNSSEC on · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for grandchallenges.ca 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 18
A2NS2MX1TXT12SOA1
TLS certificates 3
Issued byGoogle Trust Services, GlobalSign
ExpiresWed, 11 No (73d)
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_669cd980347dcfec- Output Hash
4722b0945c4b09fcd25876ac2a023b647eddda4644c19c742361ae63a75bb909- Signature
ed25519:9ea67099da0dc0970a12e7218115829b03ccabf5e2d26161a69e8fabdaaa8b218a2d8a70d14c43e2d2f53789132bd92ad1c0e9f97a6ef20dbef3b5b16275f80c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast