Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=lFxVu/2waonPrZVwfd/h3aQQ4304Qx/BaHiH0S7Pd6dflFjXLFCVNYUt0O/yB8Mq
Cisco CI
Domain verification
cisco-ci-domain-verification=37b31f532c2ad27072ec795435ad7807942538ce82f24a4d96fe3d7ce51622a8
duo_sso_verification=YOzLn2RuRXJGvcPoTGRKOs8hqm5HwUwESVNJqMQdIZTfZLxgkoBcpoUpIgV4vtQw
GlobalSign
Domain verification
_globalsign-domain-verification=VKPoBsAzLAi8hZf8aEHoo2ekELdxSPbOJtMXgsr5nt
GlobalSign
Domain verification
globalsign-domain-verification=26A8AA587EF5EA52D4B3F80C3BB08452
GlobalSign
Domain verification
globalsign-domain-verification=8D2975ADC7904664BFB76226EA441AC8
GlobalSign
Domain verification
globalsign-domain-verification=AEA7AF2344F2FCD3A67F38B7F27D3E25
GlobalSign
Domain verification
globalsign-domain-verification=EFD514C76D0F3C03EC5C96AC0A0F9A04
Google Threat Intelligence
Domain verification
dtm-domain-verification=Ceau92tl6_vSaR0Zfhuk0EeW5gPy3a5XTjCAd7svfu0
Google Threat Intelligence
Domain verification
dtm-domain-verification=JdQpc_HHG3eZKqM29dqLCmEdLsiEIgrxu94CgcesjfU
Google Threat Intelligence
Domain verification
dtm-domain-verification=XL0wAdPfcN_ipW4puopjabtC-OEebsZJGLCXlrP_kTc
Google
Domain verification
google-site-verification=MB82Cq08HXyqW2kFIfho4SawQn1gz6LZPhn-tx-KIHw
KnowBe4
Domain verification
knowbe4-site-verification=f07ae477c09588e7c8ea2b2c238a9f84
Microsoft
Domain verification
MS=ms84440429
Smartsheet
Domain verification
smartsheet-site-validation=qjKM1XpRft1k7hBu5-nEwdkjw6laaEbr