Also, parse and return the header.

exec/load/dns.js

@@ -232,6 +232,15 @@ var DNS = new function(servers)
 		q = DNS.outstanding[id];
 		delete DNS.outstanding[id];
 
+		ret.id = id;
+		ret.response = !!(ascii(resp[2]) & 1);
+		ret.opcode = (ascii(resp[2]) & 0x1e) >> 1;
+		ret.authoritative = !!(ascii(resp[2]) & (1<<5));
+		ret.truncation = !!(ascii(resp[2]) & (1<<6));
+		ret.recusrion = !!(ascii(resp[2]) & (1<<7));
+		ret.reserved = ascii(resp[3]) & 7;
+		ret.rcode = ascii(resp[3] & 0xf1) >> 3;
+
 		queries = DNS.string_to_int16(resp.substr(4, 2));
 		answers = DNS.string_to_int16(resp.substr(6, 2));
 		nameservers = DNS.string_to_int16(resp.substr(8, 2));