Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=evnNMsqJL16Yf2VW
Facebook
Domain verification
facebook-domain-verification=k12lftsaxvp9xexif3sm02vbf9z1ge
Google
Domain verification
google-site-verification=jp2B15kkarEa5YQU7ADfgB0J8h1PqsS3LCgQ86pTmVg
Google
Domain verification
google-site-verification=Kfr0RERUgDMktn5cIh0U359munZI6ppCwvgUxt2VBW8
Microsoft
Domain verification
MS=ms22799564
bw=WPCi1tU7I0Ij3mZ9MrpeM6StCZi8INkc2Pz1xK31rP5n
s7c9oguqenpsk04mjpji8vkhp5
lucy.ns.cloudflare.com
Cloudflare
rick.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2395282798
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m