Apex domains cannot have CNAME records.
Facebook
Domain verification
facebook-domain-verification=zk4lzl0e795t019hzg11xxudxynu99
Google
Domain verification
google-site-verification=qUcviuBHZ-p0TMmlHcl4NWHooS006RUIjjx3pEqSLXw
Google
Domain verification
google-site-verification=uCtbu0PmOPj-t5rms-XFt2TaTt2htsACHMMq4GBJDqg
Google
Domain verification
google-site-verification=y8e5lS5PVUK-tNlJZWOeSGCzeDP_MTnqYYGdPGtPtPY
Microsoft
Domain verification
MS=ms25321430
unione-validate-hash=2b1adee8bc1e6cdc131ad5f0329ca6e7
matt.ns.cloudflare.com
Cloudflare
vita.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2398321805
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m