Mailchimp · Domain Security

Mailchimp Domain Security

Domain security

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

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Transport & Host Security

mailchimp.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 16 23:59:59 2027 GMT
server.api.mailchimp.com
HTTPS: no · HSTS: no
mandrillapp.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 13 23:59:59 2027 GMT

Domain (DNS/Email) Security

mailchimp.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes
mandrillapp.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: mailchimp.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 16 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 15552000
- host: server.api.mailchimp.com
  https: false
- host: mandrillapp.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 13 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 15552000
domains:
- domain: mailchimp.com
  dnssec: false
  caa:
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog"
  - 0 issue "digicert.com"
  - 0 issue "amazonaws.com"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: mandrillapp.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject