dnsjava中代码实现nslookup命令

以下是使用dnsjava实现nslookup命令的示例代码： ```java import org.xbill.DNS.*; public class NslookupCommand { public static void main(String[] args) throws TextParseException { String domain = args[0]; String server = args.length > 1 ? args[1] : null; SimpleResolver resolver = new SimpleResolver(server); resolver.setTCP(true); try { Name name = Name.fromString(domain, Name.root); Record[] records