Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=EzbrVmgtcJb2Byso
Atlassian
Domain verification
atlassian-domain-verification=5ycC9bRWdCRQK1j9TJxKOJYoOt/er6J3d7VUQ5QScf4HQpbo4t21PC2jd81zjzqA
Atlassian
Domain verification
atlassian-sending-domain-verification=54f26863-d328-43bd-af61-8e1dd8a6b926
Google
Domain verification
google-site-verification=f6TYMvtT1flm44l9-KQiIqcZUANVerQts0ItZMK_4ec
Google
Domain verification
google-site-verification=TZbSkz5c7Z-tbBWEbRS7jGSR8aQTfJVfkzmYl0dDjzM
Have I been pwned
Domain verification
have-i-been-pwned-verification=dweb_kbqltlibl3q3ildbbcri7lu7
Microsoft
Domain verification
MS=ms78335392
Slack
Domain verification
slack-domain-verification=5VssKDCr6jrbM1dYmA0NpOmiFwss8VWCEGMQgAaD
Statuspage
Domain verification
status-page-domain-verification=jzhvgvhsjx2j
Zoho
Domain verification
zoho-verification=zb75883650.zmverify.zoho.eu
eoid-domain-verification=337b07a4-b9b2-40bd-83eb-d692c9d6a415
Zone apex
Start of authority
Email
Serial
1773273600
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
3h