Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=S7QAbQS55W5My8mT
GlobalSign
Domain verification
_globalsign-domain-verification=3UgO4xtkHW1Is6P4DyKKGjOBcffRDnXp7Jivn5lhFW
GlobalSign
Domain verification
_globalsign-domain-verification=eAxMSpjQ8BS_-06MZtALwfVXbL86MTM5Bw1dAdX8y-
GlobalSign
Domain verification
_globalsign-domain-verification=EQ1-KdBU73srFXNiQ85xy3JSwevF5oYf9jkGalyPip
GlobalSign
Domain verification
_globalsign-domain-verification=InL7G_KnjvLE89LQ201RwW4DAAGIIsT150pJ0C_Sv8
GlobalSign
Domain verification
_globalsign-domain-verification=sd6kc4wTKTRVfSe5TpjgjHod5wFPtfDtIXGb6d4Z6_
GlobalSign
Domain verification
_globalsign-domain-verification=YFtGJL_YZh3w0IUQTRCZN4FoHbSzlmO3x1nCvzZ5jo
Microsoft
Domain verification
MS=ms28151777
Sendinblue
Domain verification
sendinblue-code:edaeebe4c7ea7ab2488ed99f82a92139
Zone apex
Start of authority
Email
Serial
2602120008
Refresh
4h
Retry
1h
Expire
7d
Negative cache TTL
30m