isbndb.com

Last scanned 22h ago; the signed record is unchanged since 16d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Guarded by a firewall
Runs onCloudflare
Email byProtonMail
Secured byGoogle Trust Services
Registered withSav.com, LLC
Also usesGoogle Search ConsoleProton Mail
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for isbndb.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 14

A3AAAA3NS2MX2TXT3SOA1

TLS certificates 3

Issued byGoogle Trust Services, GlobalSign
ExpiresThu, 29 Oc (63d)
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_2204512d5acb361c
Output Hash
c22624478fb28312c4989aeaa8c10488b5c6a2e9d85a7ab08bdb76fe51882cae
Signature
ed25519:49beed62f7177a7acc0dd365c056f3b1562e9dac1b5bfa25db29e2bb9b4d69bf3a488cc76f061bd6994e5cf59a4bc7e0e80e3fffdbed5f37b7656929d2d8cf0b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT25,099 material changesacross 15,945 domains · 24h to ~2h agoROTATION59 domains moved DNS from koaladns.com to magpiedns.com, 56 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT3 changed registrar24hNOW558 curated domains not reachable+34 vs yesterdaySITE ERRORS17,809 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,674 sites429 rate-limit / 403 bot-block, a posture signal