generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.d2l.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 17 15:35:15 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: docs.valence.desire2learn.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 18 23:59:59 2027 GMT
  hsts: false
domains:
- domain: d2l.com
  dnssec: false
  caa:
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  - 0 issue "ssl.com"
  - 0 issuewild "amazon.com"
  - 0 issuewild "digicert.com"
  - 0 issuewild "letsencrypt.org"
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: desire2learn.com
  dnssec: true
  caa:
  - 0 iodef "mailto:soeplatform@d2l.com"
  - 0 issue "amazon.com"
  - 0 issue "digicert.com"
  spf: true
  dmarc: false