CONTINUOUS INTERNET TELEMETRY24H DRIFT7,892 material changesacross 7,307 domains · 24h to ~50m ago · -871 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

vas.edu.vn

Observed Aug 2, 2026, 18:56 UTC (12h 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.

Verify this receipt yourself + Watch this domain
Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
IPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat vas.edu.vn actually stands on - every host below is a signed observation
vas.edu.vn
A / AAAA
23.221.227.17523.221.227.1802600:1408:5400:1a::173e:e6462600:1408:5400:1a::173e:e64e
2600serves the site
NS
adam.ns.cloudflare.comlila.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
vas-edu-vn.mail.protection.outlook.com
Microsoft 365receives its email
TLS
xcledu.com
Let's Encryptissued its certificate

DNS Records

A 2

  • 23.221.227.175
  • 23.221.227.180

AAAA 2

  • 2600:1408:5400:1a::173e:e646
  • 2600:1408:5400:1a::173e:e64e

MX 1

  • 0vas-edu-vn.mail.protection.outlook.com

TXT 8

  • 00D5g00000KCnmY=1TBfP0000000AQq
  • 00DAz000009lid7=1TBAz0000000O8n
  • MS=ms35003986
  • MS=ms45086468
  • apple-domain-verification=U06SRFR7xoa7kfZu
  • benq-domain-verification=eyJpdiI6IitMNXpxNGFVaW5Nd3J2YW56UjlTd3c9PSIsInZhbHVlIjoiSEZValY3QmZwMUdwNVNhM1oxMGxKNjRzbGZjN0FyY2kvOGhLVGR3TVVaST0iLCJtYWMiOiI2MGFkZGZkMDUxZDNmYzc4ZGRkZjEwNTgyNWU5NTAyMTE1MTMzNzVlOWRhYzY0Mjk2ZGI1NzllYzVmZTAwMjA3IiwidGFnIjoiIn0=
  • teamtailor=7bd757c5b26c01ebd63357177002fac3
  • v=spf1 a:salesforce.com include:v=spf1 include:spf.protection.outlook.com -all

NS 2

  • adam.ns.cloudflare.com
  • lila.ns.cloudflare.com

SOA 1

  • adam.ns.cloudflare.com dns.cloudflare.com

DMARC_RECORDS 1

  • v=DMARC1;p=none;sp=reject;pct=100;rua=mailto:cybersec@vas.edu.vn;ruf=mailto:cybersec@vas.edu.vn

TLS Certificates (3)

Common NameIssuerExpires
xcledu.com C=US, O=Let's Encrypt, CN=YR1 Wed, 21 Oct 2026 04:57:54 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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; nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_b5abd5ea5710a5ca
Output Hash
9c35c922cc150134f8f7e18383cc61c5d6a294321e90f108b976cd5bb13ac520
Signature
ed25519:76d6b57bab0bbbff4bcd2c7a3648afd7189a41a83ca54e1768e1d02cc8b905bfdfe7071d019470ae4b2919f800706ec316ce58b513cf75d2621b5d773f1bef0a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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