Gossamer Bio · Domain Security

Gossamer Bio Domain Security

Domain security

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

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Transport & Host Security

gossamer.co
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 12 19:46:02 2027 GMT

Domain (DNS/Email) Security

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

Source

Domain Security

gossamer-bio-domain-security.yml Raw ↑ 
generated: '2026-10-22'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: gossamer.co
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 12 19:46:02 2027 GMT
  hsts: null
domains:
- domain: gossamer.co
  dnssec: false
  caa: []
  spf: false
  dmarc: true
  dmarc_policy: none

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