Since I was very low in the ranks and I ran the server at a loss for +1 year I thought there was no need for a redundancy backup.

But well, things are changing. Might have to consider it.

The witness is on a VPS from privex with the following specs:

CPU: 4 Core
RAM: 16 GB
SSD: 500 GB
OS: Ubuntu 20.04

pretty much the standard, It's been running without any major incident since ~3 years almost