Find the IPv6 addresses of GitHub Pages

1. Search "dns lookup ipv6" in Google to find a DNS lookup tool for IPv6 (here's a link to one: https://mxtoolbox.com/IPv6.aspx).

2. Search "[your_github_username].github.io" in the tool and find the IPv6 addresses.

Create DNS records for IPv6

3. In your domain registrar, create AAAA records for each IPv6 address. It should look like this:

Note: depending on your domain registrar,

• You may need to leave the subdomain value as blank (instead of @).
• You might need to manually enter a TTL value of 300 (300 seconds) instead of 5 mins.