Swan · Domain Security

Swan Io Domain Security

Domain security

Domain security posture for Swan, probed live across 5 host(s) and 1 registrable domain(s). 5 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

swan.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 16 15:10:30 2026 GMT
www.swan.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes
api.swan.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 24 23:59:59 2027 GMT
oauth.swan.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 23 23:59:59 2027 GMT
docs.swan.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 17 01:37:19 2026 GMT

Domain (DNS/Email) Security

swan.io
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-12'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + GraphQL/OAuth hosts
hosts:
- host: swan.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 16 15:10:30 2026 GMT
  cert_issuer: Google Trust Services (WE1)
  hsts: true
  hsts_max_age: 31536000
- host: www.swan.io
  https: true
  tls_version: TLSv1.3
  hsts: true
  hsts_max_age: 31536000
- host: api.swan.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 24 23:59:59 2027 GMT
  cert_issuer: Amazon RSA 2048 M04
  hsts: null
  note: GraphQL API host; returns HTTP 404 to a bare GET (endpoints respond to POST).
- host: oauth.swan.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 23 23:59:59 2027 GMT
  cert_issuer: Amazon RSA 2048 M04
  hsts: null
  note: OAuth2 token host; returns HTTP 404 to a bare GET.
- host: docs.swan.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 17 01:37:19 2026 GMT
  cert_issuer: Let's Encrypt (YE1)
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: swan.io
  dnssec: false
  caa: []
  spf: true
  spf_record: 'v=spf1 include:amazonses.com include:spf.mailjet.com include:_spf.google.com include:spf.mandrillapp.com include:stspg-customer.com include:8668360.spf02.hubspotemail.net include:mail.zendesk.com include:mailgun.org ~all'
  dmarc: true
  dmarc_policy: none