Apex domains cannot have CNAME records.
Facebook
Domain verification
facebook-domain-verification=vqcm80uci4tzxt9yikdhdnyx8fqd35
GlobalSign
Domain verification
_globalsign-domain-verification=8KPDSF_j1lTzgpuqQLv59oRNRQOYyXb3mXMQOL8sN9
GlobalSign
Domain verification
_globalsign-domain-verification=JJp56cHt0CBxqj8C0aZXBG-oixOZeyZ8NXlXwC0i7E
Google
Domain verification
google-site-verification=kaaMPIz1xXHEuD6EyhXWsz73ex69rw1S7z0ddi9K32U
Google
Domain verification
google-site-verification=P55EbQRaTDbF2JC-ByT03-1vxqYC6nkUtax3aO4tndU
Google
Domain verification
google-site-verification=rv6sOj5oTMeEUtpY5ZW5niiMBZHZNvMYPVOwB3EyFTA
Microsoft
Domain verification
MS=ms99138153
Yahoo
Domain verification
yahoo-verification-key=vyUhgExGn0JrItMQYcP8heWvfMD9cX4DKaiWqbw4pFQ=
Yahoo
Domain verification
yahoo-verification-key=wf4atoBs+w0LJa/mg4Cmw2ivkF6FCPx1OUiWNGZg8RA=
chad.ns.cloudflare.com
Cloudflare
khloe.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2399060091
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m