Question and response
Question
dig dc.ctc.jp. MX
Answer
dc.ctc.jp. 300 MX 10 mail1.dc.ctc.ad.jp.
dc.ctc.jp. 300 MX 20 mail2.dc.ctc.ad.jp.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0