Only validate NOERROR & NXDOMAIN
Only validate NOERROR & NXDOMAIN

dkg/getdns,dkg/getdns,Acidburn0zzz/getdns,huitema/getdns,Acidburn0zzz/getdns,Acidburn0zzz/getdns,huitema/getdns,smogali/getdns,glenwiley/getdns,shane-kerr/getdns,shane-kerr/getdns,Acidburn0zzz/getdns,glenwiley/getdns,shane-kerr/getdns,dkg/getdns,huitema/getdns,huitema/getdns,smogali/getdns,glenwiley/getdns,smogali/getdns,smogali/getdns,shane-kerr/getdns,dkg/getdns,glenwiley/getdns