spf.zoho.com has no CNAME records.
Question and response
Question
dig spf.zoho.com. NS
Answer
The response has no answer records.
Authority
zoho.com. 187 SOA ns1.zohocorp.com. dnsadmin.vtitan.com. 2026022206 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0