Domain Intelligence Report

ust.hk

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Gathering intelligence... (11/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Outline
DNS
1 MX · 2 NS · 1 SOA · 8 TXT
SSL/TLS
at www.ust.hk · Sectigo Limited · TLSv1.3 · expires in 31d · 3 SANs
Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
DNSSEC
signed but validation failed
Tech Stack
Email: Microsoft 365 · nginx
HTTP
at www.ust.hk · 2 redirect → 200 · HSTS ✗ · CSP ✓ · X-Frame ✓ · Nosniff ✓
Security
B (143/200) · 1 critical · 2 high
Threats
risk: medium
Deliverability
81% B (81/100 points) · 1 MX · 8 IPs · 6 issue(s)
Subdomains
0 found · 112 answered
Web Archive
first snapshot 1997-05-04 · 29y archived
DNS Recordschecked 2.8d ago
Details
1 MX · 2 NS · 1 SOA · 8 TXT
WHOIS
Then vs Nownew
Details
Not enough evidence to say whether this is still the same organisation.
Now: Education or reference
AI-judged Sep 30, 2026: likely, not verified
SSL/TLSchecked 2.8d ago
Details
ust.hk has no address; this is www.ust.hk.
Valid certificate
Issuer: Sectigo Limited
Protocol: TLSv1.3
Expires in 31 days
3 SAN(s)
Securitychecked 2.8d ago
Details
B
143/200
1 critical2 high
Weakest: Basic Security, Record Security
Email Authchecked 2.8d ago
Details
SPFDKIMDMARC
Policy: none
DNSSECchecked 2.8d ago
Details
Signed — could not fully verify the chain
Tech Stackchecked 2.8d ago
Details
nginxEmail: Microsoft 365Google Search ConsoleApple Business
HTTP / Headerschecked 2.8d ago
Details
ust.hk has no address; this is www.ust.hk.
2 redirect(s) → 200
HSTSCSPX-FrameNosniff
Threatschecked 2.8d ago
Details
Risk: medium · score 0.6999999999999998
Zone census
Subdomainschecked 2.8d ago
Details
0 found · 112 answered
Click a subdomain for its full report
Web Archivechecked 2.8d ago
Details
First archived: 1997-05-04
~29 years of history
Deliverabilitychecked 2.8d ago
Details
81%B
81/100 points · 6 issue(s)
1 MX · 8 IP(s)
Top fix: DMARC policy is none (monitor only)

IPv6

Not checked yet. aaaa.bot has no recent IPv6 result for ust.hk. Run the check on aaaa.bot →

See where it lives on the IPv4 map →

Lineage

Our records: Jan 2, 2009 → May 12, 2026

Oldest registry snapshot we hold: 2009 · 4 renewals on record. These dates are when our records begin, not when the domain was registered.

Registrar

  • Hong Kong Domain Name Registration Company Limitedlast seen Jul 2023
    May 2013 – Jul 2023
What changed
  1. Renewed +10 years between Jun 14, 2023 and Jul 20, 2023Expiry moved from 2023-07-25 to 2033-07-25, at Hong Kong Domain Name Registration Company Limited.
  2. Renewed +5 years between Feb 26, 2018 and Jun 17, 2018Expiry moved from 2018-07-25 to 2023-07-25, at Hong Kong Domain Name Registration Company Limited.
  3. Renewed +5 years between May 7, 2013 and May 29, 2013Expiry moved from 2013-07-25 to 2018-07-25, at Hong Kong Domain Name Registration Company Limited.
  4. Renewed +2 years between Mar 4, 2011 and Mar 23, 2011Expiry moved from 2012-01-09 to 2013-07-25.

Solid bar: the stretch we observed that name. Dot: a single sighting. Dotted line: no record between sightings of the same name. Nothing is drawn between different names.

Registrar and renewals: 320 WHOIS/RDAP snapshots, 2009-01-02 to 2026-05-12 (ledger built 2026-09-27). Every renewal

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