Apex domains cannot have CNAME records.
CERT Polska
Domain verification
mojecertpl-site-verification-VwrysEm2HHam7oLFr0auKLyQB4kzeTHn
Google
Domain verification
google-site-verification=F6V4hLtovwZ4g1LJA3xrR-6YbC6mqAZbLl95geVg8Qg
Google
Domain verification
google-site-verification=QJu9ybmfKv8NZIg1HWRLXFtgHRUTs87x9k_4hBFreR0
Have I been pwned
Domain verification
have-i-been-pwned-verification=dweb_l2ha0cpjah10pbd2t92o9v2e
2256f77a6157be99b6c31109a473caa64e0e4101c26fc9e84338e415f378ecb
f9135f35edb6184307b175d364fcc8479a902cd64a18154cee3d0fa62a8d55b
athena.ns.cloudflare.com
Cloudflare
charles.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397753105
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m