mx03d-in01r.rit.edu has no MX records.
Question and response
Question
dig mx03d-in01r.rit.edu. MX
Answer
The response has no answer records.
Authority
rit.edu. 3600 SOA ns1a.rit.edu. root.rit.edu. 139820686 3600 600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0