dav.edu.vn

Last scanned 7h ago; the signed record is unchanged since 19d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

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Up right now
Runs onLong Van Soft Solution JSC
Email byMicrosoft 365
Secured byLet's Encrypt
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 dav.edu.vn 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 6

A1NS2MX1TXT1SOA1

TLS certificates 3

Issued byLet's Encrypt
ExpiresFri, 18 Se (19d)
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_24a547cf56e86772
Output Hash
4dace286aedf315cf9044bf78bc52317e2204bab1c2531f92042df8098ade81e
Signature
ed25519:a1e9069f5c0020fbc401344622bc53c7ebeb375ef9a004065e78c590fed1cb49721e21e6b6ba8c4dca08ed499faeffe806464e300ef019d817eeb8c3d33a8e07
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT28,853 material changesacross 23,397 domains · 24h to ~20m agoROTATION62 domains moved DNS from magpiedns.com to koaladns.com, 56 moved backa rotation loop, not a migration · 24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT4 changed registrar24hNOW560 curated domains not reachablelast probe, steadySITE ERRORS18,199 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,878 sites429 rate-limit / 403 bot-block, a posture signal