Apex domains cannot have CNAME records.
Asana
Domain verification
asv=2bb439ed684806977ddd9990fb9d9b65
Atlassian
Domain verification
atlassian-domain-verification=cYjpPkViqa3kRnmp941Q0yR68O8suf5PlV4kK55Bacyr1IJmzDVWOiWaSyTu1U/H
Atlassian
Domain verification
atlassian-sending-domain-verification=529c7e63-4106-4691-adcd-30b638bf2b5b
Duo
Domain verification
duo_sso_verification=VdlDbqeVS0ZxVpo7Wd4aA1v8sq9KGQxDQT2IkTzCd66Ll8OeTJCrVdhDEQHA7CNL
Google
Domain verification
google-site-verification=BDx4FKqxPlaweRzuEW6fidPYj0frB5jGPxdpE7jZlT8
Microsoft
Domain verification
MS=ms55204439
Workplace from Meta
Domain verification
workplace-domain-verification=HbwYNBAPWnKQADMCqSaesK5dEKyo7M
Zoho
Domain verification
zoho-verification=zb10784734.zmverify.zoho.com
2oa34tb8d293v0vbnk7u9f75rg
ctxt
easydmarc-verification:3a5035be-f75a-4f71-803c-68b86092955c
Zone apex
Start of authority
Email
Serial
16641
Refresh
15m
Retry
10m
Expire
1d
Negative cache TTL
1h