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Checks/Infrastructure
InfrastructureLive6 checks

DNS & Email Security Scanner

Verify DNS configuration, SPF, DKIM, DMARC records, and domain security.

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What we check

  • SPF record present and doesn't end in an overly permissive +all
  • DMARC record present, policy (p=) not none without a stated reason
  • DKIM selector presence — checks common selectors: default, google, selector1/2
  • MX records present and resolve
  • CAA record present, restricting which CAs may issue certs for the domain
  • Zone transfer (AXFR) refused on authoritative nameservers

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