WHMCS · Domain Security

Whmcs Domain Security

Domain security

Domain security posture for WHMCS, probed live across 2 host(s) and 1 registrable domain(s). 2 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

Web HostingBilling AutomationClient ManagementDomain ManagementSupport TicketsProvisioning

Transport & Host Security

www.whmcs.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 13 23:18:12 2026 GMT
developers.whmcs.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 14 06:40:00 2026 GMT

Domain (DNS/Email) Security

whmcs.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · 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: www.whmcs.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 13 23:18:12 2026 GMT
  hsts: false
- host: developers.whmcs.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 14 06:40:00 2026 GMT
  hsts: false
domains:
- domain: whmcs.com
  dnssec: false
  caa:
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 issuewild "ssl.com"
  - 0 issue "amazon.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: quarantine