Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=1zwvSnZzdpai2jGS
GlobalSign
Domain verification
_globalsign-domain-verification=1O7dgE1cjJfTGiXpMfEvec8BX8VNlE_g9PlSvmZ0-0
GlobalSign
Domain verification
globalsign-domain-verification=0EC6DC5C4C8032A7426ECC9F7BA57F3B
GlobalSign
Domain verification
globalsign-domain-verification=2c46acb8bd829756f3d609fba2eb39f6
GlobalSign
Domain verification
globalsign-domain-verification=2ce7aa5ba69fc174fea99dfeba315b10
GlobalSign
Domain verification
globalsign-domain-verification=352D8AF2028CF29AD9527FCD4833CD89
GlobalSign
Domain verification
globalsign-domain-verification=3879945d32397bc91cc9689f34337ff0
GlobalSign
Domain verification
globalsign-domain-verification=577C19815872441CBD610CCA79DDA9DE
GlobalSign
Domain verification
globalsign-domain-verification=c6sT-wzG15bVM6ZhzPDoVn21-7YnTFV2HCwbHLQHqj
GlobalSign
Domain verification
globalsign-domain-verification=cbeb840631b39458357bfa35c7312d89
GlobalSign
Domain verification
globalsign-domain-verification=D22AC7F547E34C03C423FD0E27A5A725
GlobalSign
Domain verification
globalsign-domain-verification=d943addcab0ea4f1fd66637f736c2213
GlobalSign
Domain verification
globalsign-domain-verification=F38490D8F2EE089E0C809F9E7DF2E939
Google
Domain verification
google-site-verification=3jp3DMCDAAq0NfGPp1U71w1wet7tcJRm9MkDpm5yMII
Google
Domain verification
google-site-verification=Iz9qhN1Q_Bi4m5hLi3f8K0SxbGo_hqtdno64T7R10I8
Google
Domain verification
google-site-verification=wr2xYXafLFPH3MyX8KuTjA6zCg-6Ie5kclGlyqdfpLM
KnowBe4
Domain verification
knowbe4-site-verification=30933b22759e13d927e4d7290396ab52
Microsoft
Domain verification
MS=ms54760480
Microsoft
Domain verification
MS=ms66621292
Trend Micro Email Security
Domain verification
tmes=7564e8ba8235ad53ab69c39e39f71635