Question and response
Question
dig sendnode.com. MX
Answer
sendnode.com. 300 MX 10 mail10.sendnode.com.
sendnode.com. 300 MX 32767 ms39381858.msv1.invalid.sendnode.com.
Authority
The response has no authority records.
Additional
mail10.sendnode.com. 3600 A 185.98.186.12
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0