Common DNS Configuration Mistakes
DNS issues are one of the most common causes of website and email outages.
Frequent Mistakes
- Deleting existing DNS records
- Creating multiple SPF records
- Pointing domains to incorrect IP addresses
- Mixing external DNS with A7 Host nameservers
- Not waiting for DNS propagation
How to Avoid DNS Problems
- Make one change at a time
- Document existing records before editing
- Wait up to 24 hours after changes
- Use IMAP for email testing
If unsure, stop and contact support before making changes.
