Server2.seas.ucla.edu has no MX records.
Question and response
Question
dig Server2.seas.ucla.edu. MX
Answer
The response has no answer records.
Authority
seas.ucla.edu. 3600 SOA server1.seas.ucla.edu. help.seas.ucla.edu. 2026022400 21600 3600 604800 21600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0