linear · Domain Security

Linear Domain Security

Domain security

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

Transport & Host Security

linear.app
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 6 22:29:55 2026 GMT
api.linear.app
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 6 22:29:55 2026 GMT

Domain (DNS/Email) Security

linear.app
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: linear.app
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  6 22:29:55 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: api.linear.app
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  6 22:29:55 2026 GMT
  hsts: false
domains:
- domain: linear.app
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject