Help, uninstall all apps success, but app's route still working

my domain is
I install some app yesterday, then uninstall all apps.
now this domain “” router still on and ssl cert looks bed, i try to purge cache everything still not work, and i try to “Remove Site from Cloudflare” this problem still exist.
but “h ttps:// hd2018 .com”, “htt p:// hd2018 .com”, “ht tp:// www. hd2018 .com” is looks ok。

Seems ok to me.
Moreover you should use HTTP to HTTPS redirection - just a recommendation.

An app where? At your Website or an device? What kind of an app?