Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=wibvb556b08yktaHHL0RxuLekPJ5hVXLg8dBjpwdvAQs0gCIKcx9la6ieGC60EVi
Atlassian
Domain verification
atlassian-sending-domain-verification=85823862-8503-4474-a337-fb7713aa7115
Dynamics 365 marketing
Domain verification
d365mktkey=F4ysbTAWCT9YTPV5PFnxwoUKfZSUkkpICyekw4XsjuIx
Dynamics 365 marketing
Domain verification
d365mktkey=JTomMKFSDCTBEGsbxACibLnHxhLxcawuqRMtwrorVf8x
Google
Domain verification
google-site-verification=Fb0Pyl9ERI4nwxD_5ohDGjyZcrbRiVWpYnpQeHQjTcM
Zone apex
Start of authority
Email
Serial
2025111700
Refresh
8h
Retry
2h
Expire
7d
Negative cache TTL
1d