mail.schlyter.se has no MX records.
Question and response
Question
dig mail.schlyter.se. MX
Answer
The response has no answer records.
Authority
schlyter.se. 3600 SOA ns.kirei.se. hostmaster.kirei.se. 1771926174 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0