Copper.co · Domain Security

Copper Co Domain Security

Domain security

Domain security posture for Copper.co, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

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Transport & Host Security

copper.co
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 14 23:59:59 2027 GMT
developer.copper.co
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 14 05:33:23 2026 GMT
api.copper.co
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 14 23:59:59 2027 GMT

Domain (DNS/Email) Security

copper.co
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-08-04'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: copper.co
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 14 23:59:59 2027 GMT
  hsts: null
- host: developer.copper.co
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 14 05:33:23 2026 GMT
  hsts: null
- host: api.copper.co
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 14 23:59:59 2027 GMT
  hsts: null
domains:
- domain: copper.co
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none