Apex domains cannot have CNAME records.
Amazon
Domain verification
amazon-business-verification=af105e5d1cdf2a38488d34cc40e9c2f3f7470cc2e68c97505aee952ef559cb4e
Atlassian
Domain verification
atlassian-domain-verification=ibL1CsJKcVgeYXNLfAAJ2YTctbs7eav9sXCQc9t12yJAanI4utYgov0efoVuEuCL
Google
Domain verification
google-site-verification=SVbXRrQ0cnZrLnnHeCDYGo-DpgkRdfsT2eU6U7D4mfI
Microsoft
Domain verification
MS=ms11317397
Slack
Domain verification
slack-domain-verification=YPN6KNMOE1JVQFwxqhX7u5ME4DDTOUgLFJIpCt1n
ns81.domaincontrol.com
GoDaddy
ns82.domaincontrol.com
GoDaddy
Zone apex
Start of authority
Email
Serial
2025093001
Refresh
8h
Retry
2h
Expire
7d
Negative cache TTL
10m