pdns2.cirion.live has no MX records.
Question and response
Question
dig pdns2.cirion.live. MX
Answer
The response has no answer records.
Authority
cirion.live. 3600 SOA ans1br.cirion.live. hostmaster.cirion.live. 2221222207 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0