Prometheus · Domain Security

Prometheus Domain Security

Domain security

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

AlertingMetricsMonitoringObservabilityTime Series

Transport & Host Security

prometheus.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 1 15:23:26 2026 GMT

Domain (DNS/Email) Security

prometheus.io
DNSSEC: no · SPF: no · DMARC: no · 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: prometheus.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  1 15:23:26 2026 GMT
  hsts: true
  hsts_max_age: 2592000
domains:
- domain: prometheus.io
  dnssec: false
  caa:
  - 0 issuewild "letsencrypt.org"
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 issuewild "ssl.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  spf: false
  dmarc: false