linux.org.hk

Observed Aug 10, 2026, 20:58 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.

Not responding
Email byGoogle Workspace
Also usesGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat linux.org.hk actually stands on - every host below is a signed observation
linux.org.hk
A / AAAA
172.105.202.169
unattributedserves the site
NS
ns3.he.netns1.he.netns4.he.netns5.he.net+1 more
he.netanswers its DNS
MX
ALT1.ASPMX.L.GOOGLE.COMASPMX3.GOOGLEMAIL.COMASPMX2.GOOGLEMAIL.COMASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email

DNS Records

A 1

  • 172.105.202.169

MX 5

  • 20ALT1.ASPMX.L.GOOGLE.COM
  • 30ASPMX3.GOOGLEMAIL.COM
  • 30ASPMX2.GOOGLEMAIL.COM
  • 10ASPMX.L.GOOGLE.COM
  • 20ALT2.ASPMX.L.GOOGLE.COM

TXT 1

  • google-site-verification=RuOj-UgW3oOaPJiQEYrd_Y9vZbiicU7Y_dUxZD3G1fc

NS 5

  • ns3.he.net
  • ns1.he.net
  • ns4.he.net
  • ns5.he.net
  • ns2.he.net

SOA 1

  • ns1.linux.org.hk dnsadmin.linux.org.hk

SRV 5

  • alt1.xmpp-server.l.google.com:5269 p20
  • alt2.xmpp-server.l.google.com:5269 p20
  • alt4.xmpp-server.l.google.com:5269 p20
  • alt3.xmpp-server.l.google.com:5269 p20
  • xmpp-server.l.google.com:5269 p5

TLS Certificates (0)

None.

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_470255761978f36e
Output Hash
1ef4998bbdb6ad43edb0fb04200e3ab9d5af9298e3172fdc3673e15be48af75d
Signature
ed25519:b87a13bb9ffbebec08553a6dfd3dd42f33af459425fa5afe1fa4c6c41fdde12ca318eae511ef5c885f9e9b7576928c88eb7ee907f1536227ec4ea81eb57ad50a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT8,303 material changesacross 5,160 domains · 24h to ~50m ago · -40,042 vs yesterdayDNS DRIFT83 domains changed DNS providertop destination koaladns.com · +1 vs yesterdayNOW523 curated domains not reachable-42 vs yesterdaySITE ERRORS35,952 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,644 sites429 rate-limit / 403 bot-block, a posture signal