This is basically how I do it too.
I used to be more creative but then I got in the habit of running more servers and swapping hardware more frequently so it got harder to remember what hardware I was actually connecting to. Now they get hardware based names and everything else is named by service-based Ansible roles.
I don't know the details but I've had to ban her account several times (from a number of different source instances) for sending everyone the exact same unsolicited private message.
I never bothered to figure out of if it's actually malicious or just some nonce trying to drive up engagement. Either way it's a weird quirk of Lemmy right now that she'll eventually DM you...