fmt02us.vsys.cloud has no MX records.
Question and response
Question
dig fmt02us.vsys.cloud. MX
Answer
The response has no answer records.
Authority
fmt02us.vsys.cloud. 120 SOA ns1.sdns.network. hostmaster.sdns.network. 2026022241 21600 3600 604800 120
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0