admin.maxgigapop.net has no MX records.
Question and response
Question
dig admin.maxgigapop.net. MX
Answer
The response has no answer records.
Authority
admin.maxgigapop.net. 900 SOA ipam.maxgigapop.net. noc.maxgigapop.net. 106 10800 3600 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0