Question and response
Question
dig dnssub.com. MX
Answer
dnssub.com. 60 MX 10 mx3.pur3.net.
Authority
dnssub.com. 60 NS ns1.dnssub.com.
dnssub.com. 60 NS ns0.dnssub.com.
dnssub.com. 60 NS ns2.dnssub.com.
Additional
mx3.pur3.net. 3600 A 31.221.76.18
ns0.dnssub.com. 60 A 52.19.179.205
ns1.dnssub.com. 60 A 52.51.194.135
ns2.dnssub.com. 60 A 52.211.198.14
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0