Our module is included by default in the ClientExec distribution. It is therefore not necessary to download and install the module manually.
However a newer version can be available under GPL-3.0 license on GitHub before its update in a next ClientExec release. You can get the registrar plugin and the automation service:
The following PHP settings must be set in php.ini:
allow_url_fopen to true
Setting additional domain fields
Additional domain fields are mandatory for many domain extensions that require additional information like a company number, a VAT number, personal ID number to register a domain.
An extra step will be needed if you sell extensions that require additional fields.