bytes, 1+2+2+3 records, response, noerror query: MX sub.example.xx answer: sub.example.xx 86400 CNAME ns1.a.example.xx answer: sub.example.xx 86400 RRSIG CNAME 7 3 86400 44495 example.xx authority: a.example.xx 259200 NS ns1.a.example.xx authority: a.example.xx 259200 NS ns2.a.example.xx additional: . 0 OPT 512 0 0 8000 additional: ns1.a.example.xx 259200 A 192.0.2.5 additional: ns2.a.example.xx 259200 A 192.0.2.6