spf.odiso.net has no CNAME records.
Question and response
Question
dig spf.odiso.net. NS
Answer
The response has no answer records.
Authority
odiso.net. 3600 SOA ns1.cetsi.fr. postmaster.cetsi.fr. 2025787552 1800 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0