DOKU · Domain Security

Doku Domain Security

Domain security

Domain security posture for DOKU, probed live across 4 host(s) and 1 registrable domain(s). 4 host(s) serve HTTPS (up to TLSv1.3); 3 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

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Transport & Host Security

www.doku.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 21 23:59:59 2027 GMT
developers.doku.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 15 05:01:28 2026 GMT
api.doku.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 21 23:59:59 2027 GMT
api-sandbox.doku.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 29 23:59:59 2026 GMT

Domain (DNS/Email) Security

doku.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-17'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.doku.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 21 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31536000
  hsts_include_subdomains: true
- host: developers.doku.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 15 05:01:28 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.doku.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 21 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31536000
  hsts_include_subdomains: true
  hsts_preload: true
- host: api-sandbox.doku.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 29 23:59:59 2026 GMT
  hsts: null
domains:
- domain: doku.com
  dnssec: false
  caa: []
  spf: true
  spf_record: v=spf1 include:spfdm-ap-southeast-1.aliyun.com ip4:103.10.128.0/22 include:spf.mandrillapp.com include:44284973.spf01.hubspotemail.net include:servers.mcsv.net include:ncapp02.com include:_spf.google.com ~all
  dmarc: true
  dmarc_policy: quarantine
notes: >-
  All API and developer hosts serve TLS 1.3 with HSTS; the production API host
  (api.doku.com) additionally sets includeSubDomains and preload. No CAA record
  is published on doku.com and DNSSEC is not enabled. DMARC policy is quarantine
  (not reject). Region hosting is Asia Pacific (SE Asia / Indonesia), consistent
  with the aliyun ap-southeast-1 SPF include.