ar7280-1.cec.prg.gblnet.net has no MX records.
Question and response
Question
dig ar7280-1.cec.prg.gblnet.net. MX
Answer
The response has no answer records.
Authority
prg.gblnet.net. 86400 SOA ns.gblnet.net. vvv.gblnet.net. 2024090302 10800 1200 1209600 259200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0