Changes to Verify landing page domain

added the optional property issues to the response with the 400 status

added the optional property issues to the response with the 401 status

added the optional property issues to the response with the 500 status

added the new undefined enum value to the domain/domainScope response property for the response status 200

added the optional property domain/dnsRecordName to the response with the 200 status

added the optional property domain/dnsRecordType to the response with the 200 status

added the optional property domain/dnsRecordValue to the response with the 200 status

added the optional property domain/domainScope to the response with the 200 status

added the optional property domain/fallbackDomain to the response with the 200 status

added the optional property domain/fallbackDomainStatus to the response with the 200 status

added the optional property domain/landingPageId to the response with the 200 status

added the optional property retryable to the response with the 400 status

added the optional property retryable to the response with the 401 status

added the optional property retryable to the response with the 500 status

added the optional property code to the response with the 400 status

added the optional property code to the response with the 401 status

added the optional property code to the response with the 500 status

the response property success became optional for the status 400

the response property success became optional for the status 401

the response property success became optional for the status 500

endpoint added