Apex domains cannot have CNAME records.
Facebook
Domain verification
facebook-domain-verification=09yg8uzcfnqnlqekzsbwjxyy8rdck7
Google
Domain verification
google-site-verification=OkRY8R261shK5B8uEwvsFZp9nQ2gRoHavGlruok1azc
Google
Domain verification
google-site-verification=SHuSHN0Hv3nwBI9So329KwfbQ7xLif64SRwcGSdWNAU
v=msv1 t=6097A7EA-53F7-4028-BA76-6869CB284C54
dns1.p09.nsone.net
IBM NS1
dns2.p09.nsone.net
IBM NS1
dns3.p09.nsone.net
IBM NS1
dns4.p09.nsone.net
IBM NS1
ns1-204.azure-dns.com
Microsoft Azure
ns2-204.azure-dns.net
Microsoft Azure
ns3-204.azure-dns.org
Microsoft Azure
ns4-204.azure-dns.info
Microsoft Azure
Zone apex
Start of authority
Email
Serial
1
Refresh
1h
Retry
5m
Expire
28d
Negative cache TTL
1h