How to Troubleshoot Common DNS Record Issues and Errors
DNS Record Troubleshooting Guide
Common issues when adding or modifying DNS records can be easily resolved by following these troubleshooting steps.
Record Won't Save
Replace placeholder values in the Host and Data fields with your actual information. The Priority field remains optional.
Host Field Format
- Your domain name automatically appends after Host values
- Use @ in the Host field when the provider requests just your domain name
- Avoid duplicate Host field values across different record types
Common Error Messages and Solutions
Invalid IP Address or Host Name:
- Ensure correct Data field format
- Remove trailing periods
- Verify information accuracy
Conflicting Records:
- Review existing DNS settings
- Delete conflicting records
- Add new custom records
- Allow 24-72 hours for nameserver propagation
Priority Field Limitations
Priority field editing is only available for MX and SRV records.
AAAA Records
Always use fully expanded IPv6 addresses:
- Incorrect: 2620:12a:8000::3
- Correct: 2620:12a:8000:0:0:0:0:3
Long TXT/DMARC Records
For records exceeding 255 characters:
- Split into smaller strings
- Add each string separately
- Use online DNS record splitter tools for automation
Alias Data Errors
Fix by:
- Keeping records under 255 characters
- Removing extra characters or periods
- Splitting longer records into multiple strings
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