Butlr · Domain Security

Butlr Domain Security

Domain security

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

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Transport & Host Security

www.butlr.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 3 07:30:05 2026 GMT

docs.butlr.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 25 21:26:06 2026 GMT

api.butlr.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Dec 10 23:59:59 2026 GMT

Domain (DNS/Email) Security

butlr.com

DNSSEC: yes · SPF: yes · DMARC: no · CAA: none

butlr.io

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

generated: '2026-07-18'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.butlr.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  3 07:30:05 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: docs.butlr.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 25 21:26:06 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.butlr.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 10 23:59:59 2026 GMT
  hsts: null
domains:
- domain: butlr.com
  dnssec: true
  caa: []
  spf: true
  dmarc: false
- domain: butlr.io
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject