Apex domains cannot have CNAME records.
v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqzY1+7mEXZiEmxsAt9IayqkurYY575WpOuSVFwzupi2rgYNFNwpd/Alq2DmUtEo9irRI0kre75blepe5ZmDSqyZbk5gNlxgtp+jgng8hvmsTkZhDX46mHDwJs6rEnLsYtUwp3zEkEpGsdBUu2VBZDjNZA2eHFJQFlkHQRtxQYM2Gft1JvgjioRQ
E6lzVCC/dHUZuaZOrgENc97+V4gPkjgUkGXR+Y1jmlTyaW2ROgnoUEwf6e0xnDNrtzDO/pD8JHIeoqREF8QzvMguHxZhtG53Oc9/OFLqKCi78Fy34M0LKYelWOW6hKLedC5Kxv6XS/rZQAsjc5Qo60jSkjHhAnwIDAQAB
arnold.ns.cloudflare.com
Cloudflare
tia.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397181793
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m