harpercollins.co.uk
Last scanned 3h ago; the signed record is unchanged since 26d 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
CloudflareEmail byProofpoint
ProofpointSecured byLet's Encrypt
Let's EncryptRegistered withMarkmonitor Inc.
Also usesMicrosoft 365ZoomDropboxLoader.ioDocuSignAmazon SESOpenAIAdobe Sign
Microsoft 365
Zoom
Dropbox
DocuSign
Amazon SES
OpenAI
Adobe Signtranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for harpercollins.co.uk 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 51
A1NS7MX2TXT40SOA1
TLS certificates 4
Issued byLet's Encrypt
ExpiresThu, 29 Oc (53d)
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_e025f728aa33c953- Output Hash
209971a135f9e0d313ef37b958d4542739d1c764a1e0279aa15946646e1a26c4- Signature
ed25519:bc5c6704348aa4c53310e13a5c976f20a33d2d62abfa69ca872e380e776042876bf2821041d941cb124215ef7394133398ac40c6d9e89a14874250bdb25e890f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast