postbox.xpd.se has no MX records.
Question and response
Question
dig postbox.xpd.se. MX
Answer
The response has no answer records.
Authority
xpd.se. 3600 SOA nx1.xpd.se. fredrik.xpd.se. 2026022201 86400 7200 1814400 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0