CONTINUOUS INTERNET TELEMETRY24H DRIFT25,547 material changesacross 22,819 domains · 24h to ~35m agoROTATION56 domains moved DNS from koaladns.com to kirklanddc.com, 55 moved backa rotation loop, not a migration · 24hEMAIL DRIFT1 domain switched email providertop destination ~NOW605 curated domains not reachablelast probe, steadySITE ERRORS33,530 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 118,011 sites429 rate-limit / 403 bot-block, a posture signal

langmaster.edu.vn

Observed Aug 3, 2026, 08:38 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of langmaster.edu.vn was taken 5d ago

langmaster.edu.vn is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting langmaster.edu.vn under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch langmaster.edu.vn Watching a domain needs a DRM3 account. The reading above stays free and public either way.
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Up right now
Email byGoogle Workspace
Secured bySectigo
Also usesFacebook/MetaGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat langmaster.edu.vn actually stands on - every host below is a signed observation
langmaster.edu.vn
A / AAAA
171.244.51.234
unattributedserves the site
NS
a.ns.hostvn.netb.ns.hostvn.net
hostvn.netanswers its DNS
MX
alt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com
Google Workspacereceives its email
TLS
*.langmaster.edu.vn
Sectigo Limitedissued its certificate

DNS Records

A 1

  • 171.244.51.234

MX 4

  • 20alt2.aspmx.l.google.com
  • 20alt3.aspmx.l.google.com
  • 50alt4.aspmx.l.google.com
  • 10aspmx.l.google.com

TXT 4

  • google-site-verification=A1K-QXkuDLRc5OET7aH8SxUXDfeU8jtBcmN6V6lJT6c
  • zalo-platform-site-verification=JFs4AvRf5J1aoS8BuSeI1ppAb2FGj49zD3G
  • facebook-domain-verification=hi83xnk1cmbqffxc5glhvnqoc5ey23
  • v=spf1 a mx ~all

NS 2

  • a.ns.hostvn.net
  • b.ns.hostvn.net

SOA 1

  • a.ns.hostvn.net hostmaster.hostvn.net

TLS Certificates (3)

Common NameIssuerExpires
*.langmaster.edu.vn C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA Fri, 05 Mar 2027 23:59:59 +0000
Sectigo RSA Domain Validation Secure Server CA C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Tue, 31 Dec 2030 23:59:59 +0000
USERTrust RSA Certification Authority C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (0)

None observed.

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 Receipt

Receipt ID
rcpt_29ee60cc2d234e7e
Output Hash
f1db2b2cf2e99bc2c01c3d6fe984c72ae03d2b27dc444901bd5f567a107e0830
Signature
ed25519:fffbc9c495aa2fb544d25cf5b0ac3a045485df479490c736650f1beb150f1223b832c6f9f0dc49cbc4dafd0de2eab6556baf5b5858ec81a7a9a8c0ae4ac83302
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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