public IEnumerable <IDnsResponseExportFormat> GetExportFormats(IDnsResponseContext context)
 {
     return(new[] {
         Dns.ExportFormat("xlsx", "Excel"),
         Dns.ExportFormat("csv", "CSV")
     });
 }
 public IEnumerable <IDnsResponseExportFormat> GetExportFormats(IDnsResponseContext context)
 {
     return(new[] {
         Dns.ExportFormat(".zip", "Zip"),
     });
 }