Apex domains cannot have CNAME records.
Cisco CI
Domain verification
cisco-ci-domain-verification=55a9642a7560243d8c2fc81a8548c663e262b6eed6a04d24f0f1424d720edb35
GlobalSign
Domain verification
_globalsign-domain-verification=CkuLZUGsRGuFRe7aAJxT8xryHP7SqKx--8Fmnf6VnC
GlobalSign
Domain verification
_globalsign-domain-verification=VwQt_G2Q3BOqpo_bi6bIvpjbsAbep6T-uBop1egpo9
Google
Domain verification
google-site-verification=_AVAy2Vls2dUzgzaHJRuq5iBHOwnLht3r1E2I3GZ97Q
Google
Domain verification
google-site-verification=AdgbMW-Dvy82cwwEOKOgS50MRQo1Bc6QN887B-KEfF0
Microsoft
Domain verification
MS=ms57660277
connie.ns.cloudflare.com
Cloudflare
james.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397822467
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m