Circle · Domain Security

Circle Community Domain Security

Domain security

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

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Transport & Host Security

circle.so
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Nov 14 23:59:59 2026 GMT
api.circle.so
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 24 19:55:49 2026 GMT
app.circle.so
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Nov 14 23:59:59 2026 GMT

Domain (DNS/Email) Security

circle.so
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · 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: circle.so
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 14 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.circle.so
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 24 19:55:49 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: app.circle.so
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 14 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: circle.so
  dnssec: false
  caa:
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  - 0 issue "ssl.com"
  - 0 issuewild "amazon.com"
  - 0 issuewild "amazonaws.com"
  spf: true
  dmarc: true
  dmarc_policy: none