ran1.osl.basefarm.net has no MX records.
Question and response
Question
dig ran1.osl.basefarm.net. MX
Answer
The response has no answer records.
Authority
ran1.osl.basefarm.net. 10 SOA ns01.osl.basefarm.net. support.basefarm.com. 187 3600 600 1209600 10
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0