11 times it really was DNS
Sometimes memes are grounded in truth.

While your router sends data between devices on your home network, DNS servers do a similar job for the internet, providing a lookup table between human-readable URLs like xda-developers.com to the IP addresses your web browser uses to get data. It's a simple-sounding system that's incredibly complicated underneath the macro view, and most of the time, it works to keep the internet connected.