Before purchasing IPv6 proxies, make sure that the website you need supports this standard. If there is no support, connecting to it via IPv6 will not work. The check takes less than a minute and costs nothing.
How to check
Open the check service domsignal.com/ipv6-test.
Paste the exact link to the desired website into the field and click "Check IPV6".
Field for the website address and check button.
How to read the result
If the website is unavailable via IPv6, the service will respond "We couldn't connect to a given site over IPv6". This means IPv6 proxies are not suitable for working with this resource — another format is needed.
Response for a website that does not support IPv6.
If support is available, the response will be "Great, your site is accessible over IPv6", and below the service will show the website's IPv6 address.
Response for a website that supports IPv6.
Each resource you plan to work with needs to be checked: IPv6 support on one website says nothing about the others.