dainam.edu.vn

Observed Sep 2, 2026, 20:46 UTC (22h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Up right now
Runs onCloudflare
Email byMicrosoft 365
Also usesZaloGoogle Search Console
DNSSEC on · 10 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for dainam.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.

HTTPS probe

Redirects Redirecting (3xx) 301 → https://dainam.edu.vn/vi
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1,983 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

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 14

A1NS3MX1TXT8SOA1

TLS certificates 0

None.

Subdomains 10

10 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_b5f787a6596331e9
Output Hash
c0dfc1cc47d507902395df79da22e14e9413c0d66f3de347d2f336e8bcb990b8
Signature
ed25519:8569d23875b53d368ce9f14bad89b617f2b4816e47f6c963532df7561dbd4f942912456d1b322e65fa78903842963f917ead5bea723da4e8e4f1bea8bfdf5002
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT29,879 material changesacross 23,492 domains · 24h to ~3h agoROTATION57 domains moved DNS from koaladns.com to magpiedns.com, 56 moved backa rotation loop, not a migration · 24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT3 changed registrar24hNOW607 curated domains not reachablelast probe, steadySITE ERRORS17,393 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,537 sites429 rate-limit / 403 bot-block, a posture signal