First Resonance · Domain Security

First Resonance Domain Security

Domain security

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

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Transport & Host Security

firstresonance.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 11 10:36:11 2026 GMT

manual.firstresonance.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 2 13:27:25 2026 GMT

api.buildwithion.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 22 16:15:20 2026 GMT

Domain (DNS/Email) Security

firstresonance.io

DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

buildwithion.com

DNSSEC: no · SPF: no · DMARC: no · CAA: yes

Source

Domain Security

generated: '2026-07-19'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: firstresonance.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 11 10:36:11 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: manual.firstresonance.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  2 13:27:25 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.buildwithion.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 22 16:15:20 2026 GMT
  hsts: null
domains:
- domain: firstresonance.io
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: buildwithion.com
  dnssec: false
  caa:
  - 0 issue "amazon.com"
  - 0 issue "letsencrypt.org"
  spf: false
  dmarc: false