Question: what is mdnsd on my android phone?
Answer: MDNSD is a process, not a specific app. Throughout the years, it's been “caused” by various apps. For some, it was Freeflight 3 and other mini-drone software. For others, it was Firefox. ... MDNSD is considered a daemon, more specifically it is a Multicast DNS Daemon, which means it is a process and is not a specific app.