groupcards.io

Last scanned 4h 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 byGoogle Workspace
Secured byGoogle Trust Services
Registered toGroup Cards
Registered withCloudflare, Inc
Also usesGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for groupcards.io 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 13

A3AAAA3NS2MX1TXT3SOA1

TLS certificates 3

Issued byGoogle Trust Services, GlobalSign
ExpiresSun, 01 No (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 receipt
Ed25519 receiptthe raw cryptographic proof
Receipt ID
rcpt_48636d782e77ecac
Output Hash
e47132df9a4ed8cb024474fc0c9191bc77d58a70cf50d8693da5594e62f62102
Signature
ed25519:dc78ac915b263b66b0af27225137dd51f45005c8614b650e639e61bbbb34ade74d884edcd686f8a43daf35579d886dbe60ca1a0367859f94594445764c4c6908
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT25,071 material changesacross 19,854 domains · 24h to ~3h agoROTATION61 domains moved DNS from magpiedns.com to koaladns.com, 59 moved backa rotation loop, not a migration · 24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT4 changed registrar24hNOW559 curated domains not reachablelast probe, steadySITE ERRORS18,201 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,878 sites429 rate-limit / 403 bot-block, a posture signal