I created on Dreamhost a Let’s Encrypt certificate for my domain: dashboad.wesay.ncite.mx, however the browser marks it as insecure.
I’m not sure why but it says that the issuer is not recognized or it looks as if it was a self-signed certificate rather than one from let’s encrypt. as there is nothing in the certificate that says ‘let’s encrypt’.
If you just recently changed it, give it some time. Often DreamHost’s control panel is slow to make changes.
If it’s been more than an hour since you set the certificate in the control panel, contact DreamHost support using the link at the bottom of your control panel menu, as it may have got stuck somewhere.