I wrote a short blog post with more detail about &mDNS, DNS-SD, and how my tool works (including some limitations): https://handmade.network/p/688/buongiorno/blog/p/9033-detailed_writeup

Now my &mDNS tool Buongiorno can also map out which devices have requested which services. After letting this run for a while you get a pretty nice little matrix - both of my laptops need my printer, and my phone can AirPlay to both my laptops, but my phone will only do Handoff with my personal laptop. Also, my printer apparently serves a website.

it feels so cool to open Spotify on my phone and immediately see all of the following appear in my tool (&mdns)

Finally some meaningful project on my &mDNS project for the jam! I am assembling a list of advertised local services (e.g. AirPlay, Spotify Connect, printers) by performing a packet capture of all mDNS traffic on my system. Now that I have some raw data, I can collect it into a more meaningful UI.

it's not nothing! &mdns

I have started my &mdns project by using it to print things