netlifyglobalcdn.com has no MX records.
Question and response
Question
dig netlifyglobalcdn.com. MX
Answer
The response has no answer records.
Authority
netlifyglobalcdn.com. 300 SOA dns1.p02.nsone.net. hostmaster.nsone.net. 1664458602 43200 7200 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0