Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=GN8luLP53lng3oSX
Atlassian
Domain verification
atlassian-domain-verification=hh27wn0uL7hWAouajl09N0DPVJNzDr1fkTdbQXd57kJED8nDpNPuhDAfTw0QjbF8
Autodesk
Domain verification
autodesk-domain-verification=_7OLLjlWOHbWc1v84sxJ
Cursor
Domain verification
cursor-domain-verification-0m3mbg=VP2VJwm4Vv8AGE36DkjkReigH
Dynatrace
Domain verification
Dynatrace-site-verification=83c52b56-6f14-49af-b282-73fa8a59aeb0__p42set50o4342dke8eu76f7v35
Facebook
Domain verification
facebook-domain-verification=zn5uz4oz41sxbyyhqrm4832gfcakof
Google
Domain verification
google-site-verification=WTkirIXfkTJcw6hW2DPt3dTtCVmzLGXC46rFzXSFTlA
Google
Domain verification
google-site-verification=YDVqicQ0Shu0AVEFRsE_beR8rOHWhRiU5ThPv1wOJkw
HackerOne
Domain verification
h1-domain-verification=wiScYE8TmEtrgkc5QQqhnbTRGT3brwfDujeY6kEwqzHPNCRR
jamf-site-verification=dtxSaup_AAAuRugLCtxJig
Microsoft
Domain verification
MS=ms39643621
miro-verification=e80b3ab24581e6d8080b9780da1fc6b23b859e46
uber-domain-verification=d07f5eee-c19f-40bb-877a-7651900f72a1
uber-domain-verification=dec15403-8175-44db-9cf4-ed156b1aa1fa
uber-domain-verification=e5b95a0c-0f90-4005-9356-0cbcc033abb0
ZOOM_verify_RCSwkUdVR86T5d2uRBNiHg