PuTTY · Domain Security

Putty Domain Security

Domain security

Domain security posture for PuTTY, 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 absent, SPF present, DMARC present (p=reject).

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Transport & Host Security

www.putty.org
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Sep 26 22:33:48 2026 GMT

Domain (DNS/Email) Security

putty.org
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

putty-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.putty.org
  https: true
  tls_version: TLSv1.2
  cert_expires: Sep 26 22:33:48 2026 GMT
  hsts: true
  hsts_max_age: 99979997
domains:
- domain: putty.org
  dnssec: false
  caa:
  - 0 issue "letsencrypt.org"
  - 0 issue "sectigo.com"
  - 0 issue "amazon.com"
  spf: true
  dmarc: true
  dmarc_policy: reject