Apex domains cannot have CNAME records.
Facebook
Domain verification
facebook-domain-verification=ln8ejlg775v118xj72zioww36hmyhh
Google
Domain verification
google-site-verification=gkmz0eRtbvIjR0JI8WGB94t3LayevxaAdx8nvakPMiw
Google
Domain verification
google-site-verification=Lgi99V0f4dApCGKtNjEioiADvUlVJtJOZ0yZiuDBU-s
Google
Domain verification
google-site-verification=TKI344Q4FOcA73uWsH___SOVMPKQwftTYdOnrmkpSBI
Microsoft
Domain verification
MS=ms68947730
76CC-FCE8-05C7-44DF-3064-F48C-BE39-38B1
9E36-451B-9107-31D1-8AF5-DC64-6788-BD5A
musXwN4PECs3MDdGJBJ8/dCfSTD9/oR69EoQVfWf70r+gHtiCoT4Ht1DUhxd718Le7JJYtX8HbtrYH7zYn9krA==
cass.ns.cloudflare.com
Cloudflare
elliott.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397738592
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m