mx.protectioncivile-rueilmalmaison.com has no SRV records.
Question and response
Question
dig mx.protectioncivile-rueilmalmaison.com. SRV
Answer
The response has no answer records.
Authority
protectioncivile-rueilmalmaison.com. 3600 SOA dns.protectioncivile-rueilmalmaison.com. hostmaster.protectioncivile-rueilmalmaison.com. 1905741983 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0