It seems like the IP your website is hosted in is momentarily offline, as I can’t access your website now. So you should wait until it’s fixed. EDIT: For me it now works fine. If it doesn’t work anymore then the IP is momentarily offline again.
i just deleted 2 cnames
acme-challenge and acme-challenge.www destination 3ezhguh6wehmtihbnkgt.acme.infinityfree.net
which i added to get ssl from infinityfree
now my site working