challenges.app

Last scanned 23h 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
Email byGoogle Workspace
Secured byGoogle Trust Services
Also uses1PasswordGoogle Search Console
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 challenges.app 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 16

A1NS2MX5TXT7SOA1

TLS certificates 3

Issued byGoogle Trust Services, GlobalSign
ExpiresFri, 23 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_ca9ce4adb79fffd5
Output Hash
430efedc5af6eb876778be1ce87c5f404c9bcc70ef53a1dc9783bd82534d8b6a
Signature
ed25519:91a92bf1e274d773fec6f93348e315538af9f07c65a4e472d6d51de4f6890d092d142792ab92047e2601148e57c2bd6843641865f08d7241a8ce7d2e18f4f909
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT6,382 material changesacross 5,446 domains · 24h to ~22h ago · -3,419 vs yesterdayROTATION75 domains moved DNS from koaladns.com to kirklanddc.com, 71 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT4 changed registrar24hNOW193 curated domains not reachablelast probe, steadySITE ERRORS17,804 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 77,771 sites429 rate-limit / 403 bot-block, a posture signal