Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=nyqPjEYLWebHhUgo1Iv014n5RqBpHiWOQg-mU0RK6xw
LinkedIn
Domain verification
linkedin-site-verification=c2594a24-8f69-4824-8878-72492fd11d6c
Yahoo
Domain verification
yahoo-verification-key=DbvVaZ9/CZJzhmsDhotqFwbCWjmiWQhUNryTj7kcLRk=
MT=mtmailtarget.co4CNvptne
MT=mtmailtarget.col3glfc8M
MT=mtmailtarget.coPOqT4PvT
karl.ns.cloudflare.com
Cloudflare
rita.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397300743
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m