How to Troubleshoot and Fix Common DNS Entry Issues

How to Troubleshoot and Fix Common DNS Entry Issues

By Michael Chen

March 18, 2025 at 09:36 PM

DNS entries troubleshooting guide to help you fix common issues and errors when managing your domain's DNS settings.

Common Issues When Saving DNS Entries

Replace Placeholder Values

  • Replace gray placeholder text in Host and Data fields
  • Priority field is optional
  • Don't keep example values as they won't save

Host Field Formatting

  • Domain name automatically appends after host values
  • Use @ in Host field for bare domain entries
  • "Host already in use" means duplicate entries exist

Invalid IP or Hostname Errors

  • Check Data field format
  • Remove trailing periods
  • Ensure correct IP address format

Resolving Conflicting Entries

  1. Open domain dashboard
  2. Access DNS settings
  3. Review Custom Entries
  4. Delete conflicting entries
  5. Add new entry
  6. Save changes
  7. Wait 24-72 hours for propagation

Priority Field Limitations

  • Only editable for MX or SRV entries
  • Visible but locked for other entry types

AAAA Entry Issues

  • Use full IPv6 address format
  • Example:
    • Incorrect: 2620:12a:8000::3
    • Correct: 2620:12a:8000:0:0:0:0:3

TXT and DMARC Entry Length

  • Maximum 255 characters per entry
  • Split longer entries into multiple strings
  • Add each string separately
  • Use online tools for automatic splitting

General Tips

  • Check for typos
  • Remove extra characters
  • Wait for propagation
  • Contact support for persistent issues

Support Limitations

  • Help available for adding entries
  • No technical DNS advice provided
  • Use peer support forums
  • Contact service providers for specific setup help

Note: DNS changes may take 24-72 hours to fully propagate across the internet.

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