We are unable to locate the email address used to sign up for these 2 domain names. Therefore we are unable to login.
We do have the credit card details attached to this account, can you please assist us in the account recovery process?
You will probably want to start with the self-service options.
The only way you’ll be able to regain access is by having access to the email address of the account.
These links may help, but they only work when logged out
If you know the email: https://dash.cloudflare.com/forgot-password
If you know the email and have 2FA issues: https://dash.cloudflare.com/login-help
If you don’t know the email: https://dash.cloudflare.com/forgot-email