Apex domains cannot have CNAME records.
Facebook
Domain verification
facebook-domain-verification=v46qjdy7516y8as0cst1att79mwj2h
GlobalSign
Domain verification
_globalsign-domain-verification=yRNHf_VzSXI5nCtND-F4zJQCV9cnLh5WE6h83-nyO0
Google
Domain verification
google-site-verification=1jv3Wk-LHwuNf1-ODq81ndfz_TuwHAVdI4KXAuptWx4
Google
Domain verification
google-site-verification=waipjXYeaWUrd-3LSm1nH2bSj8Pw8GVH2bO3kbGHPjI
Microsoft
Domain verification
MS=3286C41A4FD002368AD0B07067749B4A61F65719
6VeUvlpbt4uuJqpt9Cx5xDZ49794kKwUXja4iu35bSo=
hosting-site=colombiahosting
meg.ns.cloudflare.com
Cloudflare
sterling.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2396560379
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2h 46m 40s
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7d
Negative cache TTL
30m