js-dns

Serve DNS over static page for HTTP webpages.

Example

• http://scopeinfinity.github.io/dns/?letssync redirects to let's sync web page.
• http://scopeinfinity.github.io/dns/?goto_google/search?q=pokemon redirects to https://google.com/search?q=pokemon.
  • Commit: 339b2b5d

Usage

Preparation

• Fork this repository to https://github.com/<your_username>/js-dns
• Create <your_username>.github.io repository (if not exists) OR any server serving static page.

Setup the DNS

• Edit dns_resolver.js
  • Find const DNS_MAPPING_URL = "..."; and replace it with
  • const DNS_MAPPING_URL = "https://raw.githubusercontent.com/<your_username>/js-dns/main/mapping.json";
• Add your <yourdomainname> and IP configuration in mapping.json as per the DNS Map configuration section.
• Create the serving page
  • [Option 1] Add a git submodule under <your_username>.github.io repository to https://github.com/scopeInfinity/js-dns.git with dns name.
    • The js-dns/index.html should accessible as <your_username>.github.io/dns/index.html
  • [Option 2] Manually create index.html under <your_username>.github.io.
    • Paste contents from https://raw.githubusercontent.com/scopeInfinity/js-dns/main/index.html into the file.
    • Replace dns_resolver.js within the file to https://raw.githubusercontent.com/<your_username>/js-dns/main/dns_resolver.js
• Open your new URL
  • https://<your_username>.github.io/dns/?<yourdomainname>
  • OR https://<your_username>.github.io/dns/?<yourdomainname>/some/path

DNS Map Configuration

Version 1

Sample configuration for mapping.json.

• If multiple destination records are provided for a domainname then one of them is picked at random for balancing.

{
    "version": 1,
    "map": {
        "sample_domain_a": {
            "REPLACE": [
                "http://[2a01:7200:abcd:1234:a1b2:12cd:12cb:111]:1234",
                "http://[2a01:7200:abcd:1234:a1b2:12cd:12cb:222]:1234",
                "http://[2a01:7200:abcd:1234:a1b2:1234:1234:111]"
            ]
        },
        "sample_domain_b": {
            "REPLACE": [
                "https://123.123.123.123"
            ]
        }
    }
}