Some services unable to connect on WiFi vs. Wired Connection

Hello,

This morning, my wired connection to my PC was having issues connecting to services like Slack and Discord but Youtube videos were loading normally. I tried resetting my modem and now Slack and Discord are connected and working on my wired connection. However, my WiFi is still not able to connect to Slack and Discord while still being able to load Youtube videos. (EDIT) I now see that my WiFi is only able to google things but once I go anywhere like www.github.com then I get ERR_ADDRESS_UNREACHABLE.

Is there a different way to reset the WiFi besides just resetting the whole motem? Or is there a reason why certain services aren't working still?

Thanks for any advice! 
-Isaac