Apex domains cannot have CNAME records.
Facebook
Domain verification
facebook-domain-verification=llwzjy3s15lb0lfntklxawb9bncj9y
Google
Domain verification
google-site-verification=46kmY333HkJQFRIhnVrndv8GnMK26Vdj6OOWjuQy24c
Google
Domain verification
google-site-verification=aRv6WKWG8fceyeBk1i_MzaieBJWcV0tdCb0Qq9_0IZA
Google
Domain verification
google-site-verification=BS5gpkaOs98yPB-6ymEK9TUnb1mWbUp7QgYRBJOtD6o
Google
Domain verification
google-site-verification=wtqm1Yamb93vWy5krDTt864bLe-WZ9zgz54iSV8Si7M
Microsoft
Domain verification
MS=ms37546633
OpenAI
Domain verification
openai-domain-verification=dv-JqwTiPD7jOjlxilS1ohXUlTQ
_6aunf60rmlnt7k654z56d2dailr17ms
bs5w52t9hl9z9zwjqh4nxd3cbc58tjzr
cecelia.ns.cloudflare.com
Cloudflare
seamus.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2395883814
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m