Add PTR record parsing

src/main/java/de/measite/minidns/DNSMessage.java

@@ -424,7 +424,7 @@ public class DNSMessage {
         message.authenticData = ((header >> 5) & 1) == 1;
         message.checkDisabled = ((header >> 4) & 1) == 1;
         message.responseCode = RESPONSE_CODE.getResponseCode(header & 0xf);
-	message.receiveTimestamp = System.currentTimeMillis();
+        message.receiveTimestamp = System.currentTimeMillis();
         int questionCount = dis.readUnsignedShort();
         int answerCount = dis.readUnsignedShort();
         int nameserverCount = dis.readUnsignedShort();

src/main/java/de/measite/minidns/Record.java

@@ -9,6 +9,7 @@ import de.measite.minidns.record.AAAA;
 import de.measite.minidns.record.CNAME;
 import de.measite.minidns.record.Data;
 import de.measite.minidns.record.NS;
+import de.measite.minidns.record.PTR;
 import de.measite.minidns.record.SRV;
 import de.measite.minidns.util.NameUtil;
 
@@ -250,6 +251,9 @@ public class Record {
         case CNAME:
             this.payloadData = new CNAME();
             break;
+        case PTR:
+            this.payloadData = new PTR();
+            break;
         default:
             System.out.println("Unparsed type " + type);
             this.payloadData = null;

src/main/java/de/measite/minidns/record/PTR.java

@@ -0,0 +1,19 @@
+package de.measite.minidns.record;
+
+import java.io.DataInputStream;
+import java.io.IOException;
+
+import de.measite.minidns.Record.TYPE;
+import de.measite.minidns.util.NameUtil;
+
+/**
+ * A PTR record is handled like a CNAME
+ */
+public class PTR extends CNAME {
+
+    @Override
+    public TYPE getType() {
+        return TYPE.PTR;
+    }
+
+}