Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=KhhwBDjPqWWGdAbXEu5OKiBsmLLl8NnyAwXSUxJ5J1cSvDlIXbwj/DZWREjm0W6d
Facebook
Domain verification
facebook-domain-verification=j3rwomjl85euzdfs00tq3uqgzh4pen
Google
Domain verification
google-site-verification=GSYwOvdkjP5ByEBtCAs9tK4bwP0v8bc8hEj8sXS2zSc
Google
Domain verification
google-site-verification=J_wsczN-FKJlkA66WP-3J1o3Hp9LinSYThAsfS1b-OM
Google
Domain verification
google-site-verification=juV8vXUq0fqSlEelodqPU_MFNAWaMRpkmIby5FYGWpU
Google
Domain verification
google-site-verification=rf1VXlPvu2ShHxv4k4ZUTnYM1awCT7Tttc1t6f4w2kg
Google
Domain verification
google-site-verification=Yrvxsx6lfUuRu6HL1OzscpbDgPWpBHAUVjpRgChWls4
Microsoft
Domain verification
ms=MS13172915
Microsoft
Domain verification
MS=ms46482095
Microsoft
Domain verification
MS=ms63928254
Microsoft
Domain verification
MS=ms98263237
OpenAI
Domain verification
openai-domain-verification=dv-f3AmMjco6wofPaF5uSqTVhx3
+L6SH9ylbBYcVscxmrzL9B5YcVvbiEMtSKL/FD7ocLUpL82JSxmYhXxIt7/GWJ7Ts8TMNq4v3LcMUGjnWcQ9Xg==
27zy69gy57YpLLh5DPu7zw93/RKmBJqJJ0m8aQmy3iuUs1POWzvNXThytguAGfEdBlf/PFCFZEhbc8AYLjsijw==
939jvz5jf6xptxrtm4mn5f6txb7r4h1w
_ts7kwdrhmbw5vwgwd5g0opnznl0nol7
trend-micro-v1-domain-verification.2e5cdae683dd8784701bbfca965fde3a=dd3ade6b-225e-4e9a-9eca-6ad8e73f5864
darl.ns.cloudflare.com
Cloudflare
sofia.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2396544383
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m