mail1203.mkt1003.com.
Question and response
Question
dig 3.0.141.240.65.in-addr.arpa. PTR
Answer
3.0.141.240.65.in-addr.arpa. 5 PTR mail1203.mkt1003.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0