TSB Bank · Domain Security

Tsb Bank Domain Security

Domain security

Domain security posture for TSB Bank, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC present, SPF present, DMARC present (p=reject).

Financial ServicesBankingOpen BankingPSD2OBIEUnited KingdomPaymentsAccount InformationFAPIFintech

Transport & Host Security

www.tsb.co.uk
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Dec 3 23:59:59 2026 GMT
apis.tsb.co.uk
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Oct 4 23:59:59 2026 GMT
apis.developer.tsb.co.uk
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 17 23:59:59 2027 GMT

Domain (DNS/Email) Security

tsb.co.uk
DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-23'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.tsb.co.uk
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec  3 23:59:59 2026 GMT
  hsts: null
- host: apis.tsb.co.uk
  https: true
  tls_version: TLSv1.2
  cert_expires: Oct  4 23:59:59 2026 GMT
  hsts: null
- host: apis.developer.tsb.co.uk
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 17 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: tsb.co.uk
  dnssec: true
  caa:
  - 128 issue "digicert.com"
  - 0 issue "pki.goog"
  - 0 issue "amazon.com"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: reject