Zoom Phone · Domain Security

Zoom Phone Domain Security

Domain security

Domain security posture for Zoom Phone, 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).

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Transport & Host Security

www.zoom.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 8 23:59:59 2027 GMT
developers.zoom.us
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 17 23:59:59 2027 GMT
api.zoom.us
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 29 23:59:59 2026 GMT

Domain (DNS/Email) Security

zoom.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none
zoom.us
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-25'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.zoom.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan  8 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 15552000
- host: developers.zoom.us
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 17 23:59:59 2027 GMT
  hsts: false
- host: api.zoom.us
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 29 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: zoom.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: zoom.us
  dnssec: false
  caa:
  - 0 issue "godaddy.com"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog"
  - 0 issue "sectigo.com"
  - 0 iodef "mailto:security@zoom.us"
  - 0 issue "amazon.com"
  spf: true
  dmarc: true
  dmarc_policy: reject