Android上的DNS问题

import org.xbill.DNS.Lookup;
import org.xbill.DNS.Record;
import org.xbill.DNS.TXTRecord;
import org.xbill.DNS.TextParseException;
import org.xbill.DNS.Type;

public class DNSLookUpActivity extends Activity {
    private String url = "https://spectracore.americanlogistics.com/rdac/AdmissionController/CheckMddAdmission";

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        funDNS(url);

    }

    private static void funDNS(String url) {

        try {
            Lookup lookup = new Lookup(url, Type.ANY);
            Record[] records = lookup.run();

            if (lookup.getResult() == Lookup.SUCCESSFUL) {
                String responseMessage = null;
                String listingType = null;
                for (int i = 0; i < records.length; i++) {
                    if (records[i] instanceof TXTRecord) {
                        TXTRecord txt = (TXTRecord) records[i];
                        for (Iterator j = txt.getStrings().iterator(); j
                                .hasNext();) {
                            responseMessage += (String) j.next();
                        }
                        Log.e("TXRecord ", "" + responseMessage);
                    } else if (records[i] instanceof ARecord) {
                        listingType = ((ARecord) records[i]).getAddress()
                                .getHostAddress();
                        Log.e("ARecord address : ", "" + listingType);
                    }
                }
            }
        } catch (TextParseException e) {
            e.printStackTrace();
        }

    }
}
Need android ask version 2.3.3 or above

获取他们的DNS配置,并使用dig或nslookup直接尝试他们的DNS服务器。这不是完美的,但它有很好的机会向你展示这个问题。

dnsjava/org.xbill.DNS对于android应用程序来说太大了,Scott的意思是DNSQuery是承诺的:

http://smeans.com/programming/dns-queries-in-java/