Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=iVl00jVbkNdzQL1m69L3SqabEJ0Z57yzzokayasAzKk70r5Q89XIEWfMP/h5DSYn
Google
Domain verification
google-site-verification=sr52pmGrvBxwXWBPpLJT9HCNt9ZNOmiLVkaJ8BDrEg4
Microsoft
Domain verification
MS=ms49941108
Miro
Domain verification
miro-verification=371b15503ce1baae1c4c95589a12e08bbeb27670
Salesforce Marketing Cloud
Domain verification
SFMC-X14LH9xILkUWfXFQ1E8a_MQL3QxOUbjGkq7paVLL
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcFcbi9XqKjbbCiBLG/gG8rjBkgef9vxytksXNkeVpwZMOwFBbNXK0Hg7VXFLUChZ1eX/vQ3lcQ38PNuV2Php4g+m8fZ1K2qHM/R7X3XPJJnBCQjOAM/7dwROcvOK7X/uBh5pfh8rcH3/zsbPclab8Vhjw1Yh5WxHswRoITaSmswIDAQAB;
Zone apex
Start of authority
Email
Serial
2025120904
Refresh
12h
Retry
2h
Expire
14d
Negative cache TTL
1d