ns1.itsystem.se has no MX records.
Question and response
Question
dig ns1.itsystem.se. MX
Answer
The response has no answer records.
Authority
itsystem.se. 3600 SOA ns1.itsystem.se. info.itsystem.se. 2009031439 1200 600 1209600 3600
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0