Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=aJSdwZkpP4tuYS9yca1v/M8aMkMHPhFY6SJLxFJ7ad0P6ycNWufDzWRsu76sNfx9
Facebook
Domain verification
facebook-domain-verification=qhde5lf0e95om273eq3dax2594sz4j
Google
Domain verification
google-site-verification=xfxcBNycIC4X65bnF6gQAEui_JhaWq7QxiM2Jzmj17k
Microsoft
Domain verification
MS=ms74305633
TikTok
Domain verification
tiktok-developers-site-verification=AuZueQR2DuNvtrOpAW7qwDZrDJizOmrZ
eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJkb21haW4iOiJ0YXdrLnRvIiwiZXhwIjoxNjU3NzU2ODAwfQ.KNwUZ7T6rHHLFEUKH23Mrr0AGIZnzWdIEXrznoludcU
amy.ns.cloudflare.com
Cloudflare
seth.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397581131
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m