Question and response
Question
dig noip.com. MX
Answer
noip.com. 1800 MX 10 mail2.dns-auth.net.
noip.com. 1800 MX 5 mail1.dns-auth.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0