spf.myappro.com has no CNAME records.
Question and response
Question
dig spf.myappro.com. NS
Answer
The response has no answer records.
Authority
myappro.com. 3500 SOA ns1-05.azure-dns.com. dnsmgmt.meridianlink.com. 2017071418 3600 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0