bytes, 1+1+2+4 records, response, authoritative, noerror query: MX a.z.w.example answer: a.z.w.example 3600 MX 1 ai.example authority: example 3600 NS ns1.example authority: example 3600 NS ns2.example additional: ai.example 3600 A 192.0.2.9 additional: ai.example 3600 AAAA 2001:db8::f00:baa9 additional: ns1.example 3600 A 192.0.2.1 additional: ns2.example 3600 A 192.0.2.2