apiVersion: operator.openshift.io/v1alpha1
kind: CertManager 
metadata: 
  name: cluster 
spec: 
  managementState: 'Managed'
  unsupportedConfigOverrides: 
    controller: 
      args:
        - "--dns01-recursive-nameservers=1.1.1.1:53" 
        - "--dns01-recursive-nameservers-only"