Question and response
Question
dig terashima-clinic.com. MX
Answer
terashima-clinic.com. 3600 MX 0 mx.terashima-clinic.com.
Authority
The response has no authority records.
Additional
mx.terashima-clinic.com. 3600 A 51.254.149.21
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0