Apex domains cannot have CNAME records.
Ahrefs
Domain verification
ahrefs-site-verification_21230495891971caaec04f78e4535a3cacc54b2e70e3945b1daa667f6cc81638
Cisco CI
Domain verification
cisco-ci-domain-verification=2f54114de907947246ae790723d7501e91028dcc7dc9e9673c7cabe907480f92
Facebook
Domain verification
facebook-domain-verification=pb8hexvwhk269isggl21j44qhwhzq1
KnowBe4
Domain verification
knowbe4-site-verification=b5156e6bfe1f1df25e5a7d22dd232148
Microsoft
Domain verification
MS=ms58051756
5br1uigi836064lg4s2kee2h4f
8j7eo6cea6ua3chcgp61uukmpp
d7h9660zh097jdgp2sksy87k7902dh6q
g5isrrq702nndq62qtvo4vpvai
kkilslb8ues0eicksk47iccrpf
M0O2X32546
qyn1qtfwfbcqstbvt4whhmhdq5jqjbtq
v=DKIM1; h=sha256; k=rsa; p=MIGdMA0GCSqGSIb3DQEBAQUAA4GLADCBhwKBgQC4ntrNWj6HnbZ/vuzzrU/vXpow2MUdxVKJM1MfMBDcN+d9facE5uxIO9HlBnWNP4mS0kc42xAriyweMaqMPguJPUUPhEewn7glWFB9MNBUh/+SiZwYg2X2Z7nV7DzpinvHfyB+6pufSq/ttx3CEY69H0UxxeeWa1qoWRobamgd4QIBEQ==
y7319q1vk91fkc8lfx0w5808bbx06mgn
a1-157.akam.net
Akamai
a10-65.akam.net
Akamai
a12-66.akam.net
Akamai
a13-66.akam.net
Akamai
a2-64.akam.net
Akamai
a3-66.akam.net
Akamai
Zone apex
Start of authority
Email
Serial
2024082596
Refresh
1h
Retry
10m
Expire
7d
Negative cache TTL
5m