ExecOnline · Domain Security

Execonline Domain Security

Domain security

Domain security posture for ExecOnline, probed live across 6 host(s) and 1 registrable domain(s). 6 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

www.execonline.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 21 07:00:32 2026 GMT
platform.execonline.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 25 23:59:59 2026 GMT
app.execonline.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 25 23:59:59 2026 GMT
status.execonline.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 23 05:23:02 2026 GMT
support.execonline.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 25 23:59:59 2026 GMT
connect.execonline.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 20 14:25:18 2026 GMT

Domain (DNS/Email) Security

execonline.com
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

execonline-domain-security.yml Raw ↑ 
generated: '2026-08-04'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml hosts (probe-domain-security.py, extended
  by hand to the remaining live execonline.com hosts discovered during contract discovery)
hosts:
- host: www.execonline.com
  role: marketing site (WordPress)
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 21 07:00:32 2026 GMT
  hsts: false
  hsts_max_age: null
- host: platform.execonline.com
  role: learning platform (credentialed SPA)
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 25 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 63072000
  hsts_include_subdomains: true
  hsts_preload: true
- host: app.execonline.com
  role: learning platform (credentialed SPA, alternate host)
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 25 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 63072000
  hsts_include_subdomains: true
  hsts_preload: true
- host: status.execonline.com
  role: status page (Atlassian Statuspage, vendor-hosted)
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 23 05:23:02 2026 GMT
  hsts: true
  hsts_max_age: 259200
- host: support.execonline.com
  role: help center (Intercom, vendor-hosted)
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 25 23:59:59 2026 GMT
  hsts: false
  hsts_max_age: null
- host: connect.execonline.com
  role: ExecConnect community site (WordPress)
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 20 14:25:18 2026 GMT
  hsts: false
  hsts_max_age: null
domains:
- domain: execonline.com
  dnssec: false
  caa: []
  spf: true
  spf_record: v=spf1 include:_spf.execonline.com -all
  dmarc: true
  dmarc_policy: none
  dmarc_rua: mailto:dmarc@execonline.com
notes:
- 'api.execonline.com resolves to GitHub Pages (185.199.108.153) and returns an unconfigured
  GitHub Pages HTML page with HTTP 200 for every path probed, including /openapi.json
  and /.well-known/*. It is a catch-all false positive, not an API host.'
- 'No HSTS on the marketing site (www) or the ExecConnect community site; the credentialed
  learning-platform hosts do carry a two-year preloaded HSTS policy.'
- 'DMARC is published at p=none (monitor only) with aggregate and forensic reporting;
  no CAA records are published; the zone is not DNSSEC-signed.'
x-evidence:
  probed: '2026-08-04'
  method: openssl s_client, curl -I, dig