C# 动态更新dns

C# 动态更新dns [DllImport("dnsutil.DLL")] public static extern int DnsAddHost (string ServerIp, string DomainName, string HostName, string HostIp); [DllImport("dnsutil.DLL")] public static extern int DnsDeleteHost (string ServerIp, string DomainName, string HostName, string HostIp);