Santander UK · Domain Security

Santander Uk Domain Security

Domain security

Domain security posture for Santander UK, probed live across 3 host(s) and 1 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=reject).

Financial ServicesBankingOpen BankingPSD2OBIECMA9United KingdomPaymentsAccount InformationFAPI

Transport & Host Security

www.santander.co.uk
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 22 23:59:59 2026 GMT
api-portal.omni.slz.santander.co.uk
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 10 22:05:49 2026 GMT
developer.santander.co.uk
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 19 03:35:27 2026 GMT

Domain (DNS/Email) Security

santander.co.uk
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-23'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.santander.co.uk
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 22 23:59:59 2026 GMT
  hsts: false
- host: api-portal.omni.slz.santander.co.uk
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 10 22:05:49 2026 GMT
  hsts: null
- host: developer.santander.co.uk
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 19 03:35:27 2026 GMT
  hsts: null
domains:
- domain: santander.co.uk
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject