Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
You need a functional HTTP site before you can secure it (via HTTP authentication).
The first thing on that list is having an IP address. webmapasia.com does not resolve to an IP address.
You need to update the DNS zone to return the IP address of that DO server.
Your current nameserver list might also need to be modified - if they aren't the ones where you are going to maintain your DNS zone.
The current authoritative list shows: