What is nhl66 not working?

As an AI language model, I do not have recent and updated information about specific websites or services. However, if nhl66 is not working, the problem could be due to various reasons, such as a temporary server issue, internet connection problems, or the website being temporarily or permanently shut down. It is recommended to check if other websites are working correctly and try accessing nhl66 at a later time. Additionally, if the problem persists, contacting the website's customer support or technical team might be necessary.