...
Wildcard certificates can be requested using the normal processes. If you request a wildcard (e.g. *.geant.org) there's no need to also include geant.org in the request.
How Do I Request an OV Server Certificate?
Firstly, the organisation must be configured to enable IGTF certificates. A “Tags” button has been added to the Enterprise Information page (upper right corner). This can be used to toggle IGTF certificate issuance on.
Organisations can then request an IGTF server certificate as part of the normal server workflow by ticking the appropriate box.