zennioptical.com

Last scanned 12h ago; the signed record is unchanged since 21d 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 onAkamai Technologies
Email byGoogle Workspace
Secured byDigiCert
Registered withGoDaddy.com, LLC
Also usesGoogle Search ConsoleAppleAdobeMiroCanvaAirtable1PasswordFacebook/Meta
19 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for zennioptical.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 40

A1NS6MX5TXT27SOA1

TLS certificates 2

Issued byDigiCert
ExpiresFri, 23 Oc (47d)
Certificate nameswithheld

Subdomains 19

19 subdomain hostnames 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_3c3eb5338216dcde
Output Hash
d43a4e6c104b2a07bb00198da869ec92cb496ec0fdf335e50c30c9b1bdd9fbb1
Signature
ed25519:9ee7fd8714ebc0e77c4f47bef2b3d774a4c05519d2d1ea2e3edc73dc22f88c019ce04ff8ddcc57487fb3c05b32288e7cadef0d8b5b0e9381b9b797ec81b6190b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT9,716 material changesacross 8,261 domains · 24h to ~2h ago · +2,482 vs yesterdayROTATION58 domains moved DNS from kirklanddc.com to koaladns.com, 57 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hREGISTRAR DRIFT1 changed registrar24hNOW624 curated domains not reachablelast probe, steadySITE ERRORS17,469 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,647 sites429 rate-limit / 403 bot-block, a posture signal