The selected custom domain is already in use on InfinityFree. If this is your custom domain, please remove it from any other accounts first.
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I had this domain on your site a while ago and some things came up in my personal life and I had to not do anything with it for awhile. Now when I try to go there it says that this domain needs to be removed but it isn’t showing anywhere where I can remove it.
In your old hosting account. If you aren’t seeing any hosting accounts in your current client area profile, chances are that you are using a different email than the last time.
If this is the case, you can use the reset password form with the domain. You should recieve an email in your old email, so make sure to check all of you emails.
If the old hosting account is showing but deactivated due to inactivity, then you may reactivate it first.
Then you can go to the Domains section in your hosting account and remove the domain.
The domain name is currently assigned to an active hosting account. The account is not deactivated for inactivity, because it still seems to be getting plenty of traffic.
But even if the account was deactivated, you would still see it in the client area, and you would be able to reactivate it.
The domain is not owned by the profile you are using to post this message, but it’s owned by a different email address. And I think that this other profile is yours, because the email address contains your forum username (which I hope is enough information for you to know which email address I see).