Apex domains cannot have CNAME records.
Ahrefs
Domain verification
ahrefs-site-verification_8f207bd60470a52a459b7918c18d3ce7a921eb4d2797f2241da8c1c49840565a
Apple
Domain verification
apple-domain-verification=cCEwGZxwbNMSnHvL
Atlassian
Domain verification
atlassian-domain-verification=FX53fKxZLUVfsPL+tp3zlZkAu+Ah56e869bHUS5bqOLnggMjIZZYLNaPZfijnj11
Atlassian
Domain verification
atlassian-domain-verification=mHLY7FFBtCDRA4eCkegJk44r9GVep4Ekixqcd5Q33wOxFYHgG0fazXXiRPaXKQPR
Google
Domain verification
google-site-verification=2oDEp8_aj5jjMkl060B_88fdoySMBFzSHVxYrmxCK4A
Google
Domain verification
google-site-verification=2Q91dM6XjGBYrAq0ePUFR9v-mcR2M71266fdiysZ1JM
Google
Domain verification
google-site-verification=8w_lekjrnpU7Yvr6KDr3CYG9uhk9C3sr2sOI4ND1tFY
Google
Domain verification
google-site-verification=hdh6DsmUFCiIQoW2Uy3oWalz7CAL79QBRRLGWuQgodk
Google
Domain verification
google-site-verification=IPPVOYiS9fQwVFUiBwp8e0ZJtv4II7tiPXB3A-zXhV8
Google
Domain verification
google-site-verification=j0IBK2Fq59tfsyU-kTRy8_juzKWJ6hIGrPnvklMNILU
Google
Domain verification
google-site-verification=MAXMTJ_guqYuNmrRR14IN7PzeXBG3v3wVQO2mOjWPBM
Google
Domain verification
google-site-verification=pi1iZIE6ULy4teSxR3IYo0weDgAbJHzCEWr6VzYaH7Q
Google
Domain verification
google-site-verification=rxoTABw4EILCJvpfyNstNfSzg1TSv8m2BQU6kDJ4AI4
Microsoft
Domain verification
MS=ms57037835
SpyCloud
Domain verification
spycloud-domain-verification=13035065-2220-43db-9737-20e598e37b3b