isdown.app

Last scanned 14h 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 byGoogle Workspace
Secured byGoogle Trust Services
Registered withCloudFlare, Inc.
Also usesGoogle Search ConsoleZoom
DNSSEC on · 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 isdown.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 27

A3AAAA3NS2MX2TXT4CAA11SRV1SOA1

TLS certificates 3

Issued byGoogle Trust Services, GlobalSign
ExpiresThu, 05 No (70d)
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_1a762f385cc6d7c8
Output Hash
2b84d3d800e5e337c9a4346949cee7850d34d2c50a61f667c29e126fc9a1ff4e
Signature
ed25519:3b53db340fea6db6d7bbe48873c15f448a9ccc1057ca66b1d11cdd4b1b7313994bb456d4f73ff382ecb95cd15d4fd0d8bff80fcd2b4cf0ba996e8c54d4211d0c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT25,308 material changesacross 16,151 domains · 24h to ~3h agoROTATION54 domains moved DNS from koaladns.com to magpiedns.com, 53 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT2 changed registrar24hNOW558 curated domains not reachable+34 vs yesterdaySITE ERRORS17,817 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,682 sites429 rate-limit / 403 bot-block, a posture signal