Question and response
Question
dig pvs-rs.com. MX
Answer
pvs-rs.com. 400 MX 3 mailgw1.pvs-rs.com.
Authority
The response has no authority records.
Additional
mailgw1.pvs-rs.com. 3600 A 212.21.170.181
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0