Question and response
Question
dig krfarnsworth.com. MX
Answer
krfarnsworth.com. 3600 MX 0 mx.krfarnsworth.com.
Authority
The response has no authority records.
Additional
mx.krfarnsworth.com. 3600 AAAA 2607:ff28:a005:8d:e076:7021:ad58:3906
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0