mail01.bredband2.org has no MX records.
Question and response
Question
dig mail01.bredband2.org. MX
Answer
The response has no answer records.
Authority
bredband2.org. 600 SOA pdns01.port53.se. postmaster.port53.se. 2015111108 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0