Portainer · Domain Security

Portainer Domain Security

Domain security

Domain security posture for Portainer, 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 present, SPF present, DMARC present (p=quarantine).

Container ManagementContainersDockerKubernetes

Transport & Host Security

www.portainer.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 13 12:21:46 2026 GMT
api-docs.portainer.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 30 02:59:53 2026 GMT

Domain (DNS/Email) Security

portainer.io
DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.portainer.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 13 12:21:46 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api-docs.portainer.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 30 02:59:53 2026 GMT
  hsts: false
domains:
- domain: portainer.io
  dnssec: true
  caa:
  - 0 issuewild "ssl.com"
  - 0 issuewild "usertrust.com"
  - 0 issue "amazon.com"
  - 0 issue "amazonaws.com"
  - 0 issue "amazontrust.com"
  - 0 issue "awstrust.com"
  spf: true
  dmarc: true
  dmarc_policy: quarantine