Question and response
Question
dig www.dc-fl.com. MX
Answer
www.dc-fl.com. 3600 MX 20 mx00.1and1.com.
www.dc-fl.com. 3600 MX 10 mx01.1and1.com.
Authority
www.dc-fl.com. 86400 NS dns2.bcbsfl.com.
www.dc-fl.com. 86400 NS dns1.bcbsfl.com.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0