Cisco Secure Client Domain Security

Domain security

Domain security posture for Cisco Secure Client, 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=reject).

Endpoint SecurityRemote AccessSecurityVPNZero Trust

Transport & Host Security

developer.cisco.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Feb 20 00:05:07 2027 GMT

api.umbrella.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 9 20:07:28 2026 GMT

duo.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 5 23:59:59 2026 GMT

Domain (DNS/Email) Security

cisco.com

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

umbrella.com

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

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: developer.cisco.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 20 00:05:07 2027 GMT
  hsts: true
  hsts_max_age: 15552000
- host: api.umbrella.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  9 20:07:28 2026 GMT
  hsts: null
- host: duo.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec  5 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: cisco.com
  dnssec: false
  caa:
  - 0 issue "amazon.com"
  - 0 issue "identrust.com"
  - 0 issue "digicert.com"
  - 0 issue "letsencrypt.org"
  - 128 issuewild "identrust.com"
  - 0 issue "ssl.com"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: umbrella.com
  dnssec: false
  caa:
  - 0 issue "amazon.com"
  - 0 issue "amazonaws.com"
  - 0 issue "amazontrust.com"
  - 0 issue "awstrust.com"
  - 0 issue "digicert.com"
  - 0 issue "identrust.com"
  spf: true
  dmarc: true
  dmarc_policy: none