- Plesk Onyx
The following error is returned when attempting to create a domain alias alias.com for example.com domain:
PLESK_ERROR: Error: Unable to add the mail.alias.com. IN A 203.0.113.2 record to zone alias.com: DNS record already exists.
Duplicate entries exist for mail.example.com pointing to the same IP in Domains > example.com > DNS Settings.
DNS and Mail are managed by Plesk.
Duplicate entries for mail.example.com. Only one entry should be configured.
Remove the duplicate entry in Domains > example.com > DNS Settings: