A comprehensive guide to fixing DNS record issues. Each problem has a clear solution - follow these troubleshooting steps to resolve common DNS configuration errors.

Replace Placeholder Values When adding custom records, replace the gray placeholder text in Host and Data fields with actual values. Priority field is optional.

Host Field Format Guidelines

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

Common Error Messages & Solutions

Invalid IP/Hostname Errors

• Check Data field format
• Remove trailing dots
• Verify information accuracy

Record Conflict Resolution

1. Open domains dashboard
2. Select domain name
3. Navigate to DNS Settings
4. Review Custom Records
5. Delete conflicting records
6. Add new record
7. Save changes

Priority Field Limitations Only modifiable for custom MX or SRV records.

AAAA Record IPv6 Format Use fully expanded IPv6 address format:

• Incorrect: 2620:12a:8000::3
• Correct: 2620:12a:8000:0:0:0:0:3

TXT/DMARC Length Limits

• Maximum 255 characters
• Split longer records into multiple strings
• Use online DNS record splitting tools
• Add each string separately

Important Notes

• DNS changes take 24-72 hours to propagate
• Technical support is limited to basic DNS configuration
• Contact third-party services for specific DNS requirements

For additional help, consult the Squarespace Forum Domains section or contact your service provider directly.

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