Question and response
Question
dig teowhong.com. MX
Answer
teowhong.com. 3600 MX 0 mx.teowhong.com.
Authority
The response has no authority records.
Additional
mx.teowhong.com. 3600 AAAA 2607:ff28:a005:8d:9974:c4c7:985c:5495
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0