CONTINUOUS INTERNET TELEMETRY24H DRIFT6,751 material changesacross 6,342 domains · last 24h · -3,664 vs yesterdayDNS DRIFT424 domains changed DNS providertop destination cloudflare.com · -235 vs yesterdayEMAIL DRIFT101 domains switched email providertop destination google.com · -66 vs yesterdayCERT DRIFT141 domains switched issuing CA24h · -78 vs yesterdayNOW458 curated domains not reachable-245 vs yesterdaySITE ERRORS17,338 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 96,718 sites429 rate-limit / 403 bot-block, a posture signal

eduhk.hk

Observed Jul 24, 2026, 03:38 UTC (5h 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 onThe Education University of Hong Kong
Secured bySectigo
Also usesGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat eduhk.hk actually stands on - every host below is a signed observation
eduhk.hk
A / AAAA
202.45.32.219
The Education University of Hong Kongserves the site
NS
extdnsa2.eduhk.hkextdnsa3.eduhk.hkextdnsa1.eduhk.hk
eduhk.hkanswers its DNS
MX
eduhk-hk.mail.dr.greenradar.comeduhk-hk.mail.hk.greenradar.com
greenradar.comreceives its email
TLS
*.eduhk.hk
Sectigo Limitedissued its certificate

DNS Records

A 1

  • 202.45.32.219

MX 2

  • 20eduhk-hk.mail.dr.greenradar.com
  • 10eduhk-hk.mail.hk.greenradar.com

TXT 8

  • MS=ms70007778
  • ZA=xV5zUm+FYyOCeaSPyhp8mA==
  • google-site-verification=47Gqcj0WK3R0KlCiCKnQGt9A0yKx4dbPAteG-iMxUYU
  • brevo-code:b1414e0a234265a2faa294058248ae06
  • Foxit-domain-verification=66bbd65bcfccca5d4af6f1e9f59e1d8e
  • 4QhzMjDY7qYjrJd9ElpG6yGZM1apPT7c8rFO8Rmz/H5ywiBTZJEOvoYEjQjIGyMkoPQnKv9/zJPbRfxf90Wjzg==
  • v=spf1 a mx ip4:202.45.32.0/24 ip4:203.188.116.0/24 ip4:68.232.134.0/23 ip4:68.232.128.0/22 include:spf.protection.outlook.com include:_spf.fireeyecloud.com -all
  • v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

NS 3

  • extdnsa2.eduhk.hk
  • extdnsa3.eduhk.hk
  • extdnsa1.eduhk.hk

SOA 1

  • netinfra1.eduhk.hk ffong.eduhk.hk

TLS Certificates (4)

Common NameIssuerExpires
*.eduhk.hk C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 Wed, 28 Oct 2026 23:59:59 +0000
Sectigo Public Server Authentication CA DV R36 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Fri, 21 Mar 2036 23:59:59 +0000
Sectigo Public Server Authentication Root R46 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
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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for eduhk.hk. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for eduhk.hk <a href="https://domaindrift.io/t/eduhk.hk"> <img src="https://domaindrift.io/badge/eduhk.hk.svg" width="300" height="64" alt="DomainDrift signed observations for eduhk.hk"> </a>

Ed25519 Receipt

Receipt ID
rcpt_52934ebcc040823c
Output Hash
600be88fd5548b7838cf76ddbb23fbd3ca06a7b25a0d1d8bb17c213ef46e5b3b
Signature
ed25519:6b4cd32ca7f708f8ab179844d205d04a014f371404a398b8e8e6b050affe9db73edb5ccb48b2cc3d384014881ecca0b90ee009bd7cb9e3af340277fe86135208
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser