mx3.ovh.net has no TXT records.
Question and response
Question
dig mx3.ovh.net. TXT
Answer
The response has no answer records.
Authority
ovh.net. 60 SOA dns10.ovh.net. tech.ovh.net. 2026030387 86400 3600 3600000 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0