Unable to add a CNAME record: The specific domain name is not valid, you need to specify a valid domain name

Symptoms

• If the CNAME record with more than 63 symbols is added at Domains > example.com > DNS Settings the following error appears:
  

  PLESK_ERROR: The specific domain name is not valid, you need to specify a valid domain name like domain.com plesk

• If the CNAME record is tried to be added via CLI, the following error can be seen:
  

  C:\> plesk bin dns --add example.com -cname _a54644e9e5f7f65e8d350894c670de24.ksc.myactiveserver.com -canonical 290898b0ac2a944085f646b0c16ec7b8122dda0db0c904dc4e2a46603a5f2e33.w0197934001555438672.example.com
  Incorrect DNS Record parameter values were specified

Cause

This is Plesk bug PPPM-10438, which will be fixed in future Plesk updates.

Resolution

Currently no workaround is available.

Additional Information

Unable to create a CNAME DNS record with the underscore symbol "_": The specified domain name is not valid