adsl-static.isp.belgacom.be has no MX records.
Question and response
Question
dig adsl-static.isp.belgacom.be. MX
Answer
The response has no answer records.
Authority
adsl-static.isp.belgacom.be. 3600 SOA ns5.skynet.be. dnsmaster.skynet.be. 3182 10800 3600 3600000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0