Flagstar · Domain Security

Flagstar Domain Security

Domain security

Domain security posture for Flagstar, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.2); 1 advertise HSTS. Email/DNS controls: DNSSEC present, SPF present, DMARC present (p=reject).

Financial ServicesBankingUnited StatesNational BankSuper-Regional BankMortgageOpen FinanceData Aggregation

Transport & Host Security

www.flagstar.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Sep 28 04:01:41 2026 GMT

Domain (DNS/Email) Security

flagstar.com
DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

flagstar-domain-security.yml Raw ↑
generated: '2026-07-23'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.flagstar.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Sep 28 04:01:41 2026 GMT
  hsts: true
  hsts_max_age: 86400
domains:
- domain: flagstar.com
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject