_u.capgemini.com._spf.smart.ondmarc.com has no CNAME records.
Question and response
Question
dig _u.capgemini.com._spf.smart.ondmarc.com. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0