Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=7vCtzEGcKtIgQWpw
Atlassian
Domain verification
atlassian-domain-verification=ptRdk0rEaLC2l5yrNU8b5/hPhKTeNrMqy1cqQlZCAUnCu4+JJor7CP4MjXkT0p0H
Atlassian
Domain verification
atlassian-sending-domain-verification=a23b45c8-fb2b-4681-bf37-477df3ebe5fb
Google
Domain verification
google-site-verification=ent_Rovf8_UJE8VlK3ad5qvaZFnbN0DGduiROze1IAA
JetBrains
Domain verification
jetbrains-domain-verification=4acq92xhxuhokrnt5t6lntrev
Microsoft
Domain verification
MS=ms17005246
Postman
Domain verification
postman-domain-verification=e0fe78a23879df7bdacd6d91489d5634538ecb2595ca2675e2b5ce67c2f9e6faa177c55b20d9717956f5ffac25a09145453256222ebc606d0b0c38b050747aaa
Slack
Domain verification
slack-domain-verification=xqhWPoVyXfqi63sfPQzOty8BBslHe6NA2M9mXL6t
kehlani.ns.cloudflare.com
Cloudflare
leo.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2398564232
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m