To use the IP grabber site to get someone's IP address: I recommend the Grabify website as it has worked for me. There are quite a few on the market, so you have to be careful about the one you choose. Other than IP Resolver, another way to find someone's IP is through a grabbing tool.
Click on the Setting menu in the bottom left corner.In just a few steps, here's how you use it to steal someone's IP address: Just remember that you can only use it while the other user is online. You don't have to pay for it - it's completely free.
By far, the easiest way to grab a Discord user's IP address is through the IP resolver tool.
