Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=HqHslH3wobcophT3l7yIIzy_acFjhpkyprBh1xg3vgg
Microsoft
Domain verification
mscid=qIW60PIHQsTA0JJU4RSThTZeekj1EooYIZ22brA8gZml4BU7XK9aNT1hJJUWa0f8cgEdzRmthCm9r+ZWRiEMzQ==
OpenAI
Domain verification
openai-domain-verification=dv-vWQLsUTgEnmpxKS7cku8D3Cn
Site24x7
Domain verification
site24x7-signals-domain-verification=10231ed37da946f2c1b26d2d2e2fe6f7
carmelo.ns.cloudflare.com
Cloudflare
meilani.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397343764
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m