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DNS & SPF Errors — Validate your authentication setup and fix lookup failures. Check DNS Records →

How do DNS or SPF lookup errors affect trust?

DNS resolution failures:

  • Records not found or timeout
  • Authentication cannot complete
  • Results in temperror or failure

SPF lookup limit (10 DNS lookups):

  • Exceeding causes permerror
  • All SPF checks fail
  • DMARC sees SPF as failed

Impact on trust:

  • Receivers see authentication failures
  • May treat as suspicious
  • Consistent failures damage reputation

Detection:

  • Use SPF validators to count lookups
  • Check DNS record health
  • Monitor authentication pass rates
  • DNS issues are technical, but consequences feel like reputation problems.
  • Registry errors prevent credential verification. Fix the paperwork system.
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