yubico.com

Last scanned 17h ago; the signed record is unchanged since 4d 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 onFastly
Email byGoogle Workspace
Secured byGlobalSign
Registered withMarkMonitor Inc.
Also usesMicrosoft 365AppleDocuSign1PasswordOpenAIDockerVeremarkAnthropic
IPv6 · 8 subdomains · cybersecurity_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for yubico.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 47

A4AAAA4NS4MX5TXT24CAA5SOA1

TLS certificates 2

Issued byGlobalSign
ExpiresFri, 08 Ja (141d)
Certificate nameswithheld

Subdomains 8

8 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_6fe50f436b26a1dc
Output Hash
5e859b29e2ec075d92b29ea208937db002a66386392c7a303a77592281c3d344
Signature
ed25519:bb2e979adce40f250345fcd9a6bd8bd6ced2de1c73adffb2bfe27d466228a92ee9989e20667c56d778a52b758149184a672a781247fe219c9ce1c72c5a442d04
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT16,066 material changesacross 11,855 domains · 24h to ~6h ago · +9,404 vs yesterdayROTATION54 domains moved DNS from koaladns.com to magpiedns.com, 50 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT1 changed registrar24hNOW155 curated domains not reachable+35 vs yesterdaySITE ERRORS17,789 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,169 sites429 rate-limit / 403 bot-block, a posture signal