How can i configure custom nameserver to domain provider?

First I done putting nameservers to the Hostinger the domain provider

Later I done putting IP address and nameserver as glue child nameservers

Then Bind DNS server and edit zone harshvardhansolanki.com

Then in Name Server section I clicked

Later I add the nameserver to the DNS records in webmin

After that the WhoIs is working fine my dns name records updated but not website working even SSL certificates installed in the meantime by me.

I provide you whole scenario help me.

my domain is not opening.
SSL Installed already but not gain https access.

After some time DNS_PROBE_ERROR and DNS_PROBE_FINISHED_NXDOMAIN shown