Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=A43Iet15ONHp0lf8
Atlassian
Domain verification
atlassian-domain-verification=EDWoCOwfEnaAZMZ0NnUdaMA93VFdazH4ZSAApj++DwfiJnYJQ1dmUnpgDI633vQ4
Atlassian
Domain verification
atlassian-domain-verification=xSV/Lz5EiWjxy258kvatO11Kj0JixeuJsD39pTqAiV94H0OWhEsnJYmiaUmWjnLL
Google
Domain verification
google-site-verification=BSi3XDXBpvQvzPcYLeF_fXTlDxR89xDNv_Fhr6di4FY
Google
Domain verification
google-site-verification=fJCvP6OOhs9xHsvOD4YPyAG_FqS0404d6PZUinq6Wns
Microsoft
Domain verification
MS=ms42543590
Proofpoint
Domain verification
ppe-e305946f6b9308a9d0a8
1782548158abe36e63310c14d8fcdf083da558bf
60310C8A63
chin.ns.cloudflare.com
Cloudflare
marty.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397469117
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m