Question and response
Question
dig cf-emailsecurity.net. MX
Answer
cf-emailsecurity.net. 300 MX 10 mxa.global.inbound.cf-emailsecurity.net.
cf-emailsecurity.net. 300 MX 10 mxb.global.inbound.cf-emailsecurity.net.
Authority
The response has no authority records.
Additional
mxa.global.inbound.cf-emailsecurity.net. 30 A 172.65.64.78
mxb.global.inbound.cf-emailsecurity.net. 30 A 141.101.90.40
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0