Show all posts by user

Why does https://grace-central.net work, but www.grace-central.net does not - 6 weeks ago

First, I am new here. If this topic is in the wrong forum, please let me know where to post. I set up a nginx server for my (not so great looking) website on arch Linux. I then used certbot to get a ssl certificate. I lastly set up a custom 404 page. https://grace-central.net works, yet www.grace-central.net does not work. Furthermore, www.grace-central.net does not display my custom 404 page, b