PubNub · Domain Security

Pubnub Domain Security

Domain security

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

RealtimeWebSocketsPub/SubIoTMessagingChatPresenceFunctions

Transport & Host Security

www.pubnub.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Jan 9 19:00:24 2027 GMT
ps.pndsn.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Oct 31 23:59:59 2026 GMT
admin.pubnub.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 27 23:59:59 2026 GMT

Domain (DNS/Email) Security

pubnub.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none
pndsn.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.pubnub.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Jan  9 19:00:24 2027 GMT
  hsts: true
  hsts_max_age: 31557600
- host: ps.pndsn.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Oct 31 23:59:59 2026 GMT
  hsts: null
- host: admin.pubnub.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 27 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: pubnub.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: pndsn.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine