Shift4 · Domain Security

Shift4 Domain Security

Domain security

Domain security posture for Shift4, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

PaymentsUnited StatesPayment ProcessingPayment GatewayAcquiringPayment TerminalTokenizationACH3D SecureGift CardsPayment LinksCard Present

Transport & Host Security

www.shift4.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 23 06:56:58 2026 GMT
docs.shift4.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 12 19:50:59 2026 GMT
api.shift4api.net
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Feb 7 23:59:59 2027 GMT

Domain (DNS/Email) Security

shift4.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none
shift4api.net
DNSSEC: no · SPF: no · DMARC: no · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-24'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.shift4.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 23 06:56:58 2026 GMT
  hsts: null
- host: docs.shift4.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 12 19:50:59 2026 GMT
  hsts: false
- host: api.shift4api.net
  https: true
  tls_version: TLSv1.2
  cert_expires: Feb  7 23:59:59 2027 GMT
  hsts: null
domains:
- domain: shift4.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: shift4api.net
  dnssec: false
  caa: []
  spf: false
  dmarc: false