Gem · Domain Security

Gem Com Domain Security

Domain security

Domain security posture for Gem, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 2 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

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Transport & Host Security

www.gem.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 3 00:03:10 2026 GMT
api.gem.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 20 23:59:59 2027 GMT
app.gem.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 17 23:09:45 2026 GMT

Domain (DNS/Email) Security

gem.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

gem-com-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.gem.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  3 00:03:10 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: api.gem.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 20 23:59:59 2027 GMT
  hsts: null
- host: app.gem.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 17 23:09:45 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: gem.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine