- Plesk for Linux
- Plesk for Windows
On attempt to add CNAME in Plesk > Domains > example.com > DNS Settings > Add Record, the following error is shown:
PLESK_ERROR: Error: This record will conflict with the glue record for the zone 'example.com'.
No subdomain is specified, so
.example.com.is being used as a CNAME source:
It is expected behaviour, dictated by DNS working logic.
According to RFC1912, a CNAME record can be added only for subdomain and is not allowed to coexist with any other record types (A, NS, MX, TXT).
Open Plesk > Domains > example.com > DNS Settings > Add Record page;
Specify a subdomain for the CNAME source when adding the record.
sub, so the source will be