dns03004.globalsp.com has no MX records.
Question and response
Question
dig dns03004.globalsp.com. MX
Answer
The response has no answer records.
Authority
globalsp.com. 43200 SOA DNS03003.global-asp.net. hostmaster.global-asp.net. 2026013232 14000 3600 1209600 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0