Unable to resolve Hostname using WiFi.resolve(“Hostname.local”)

[ScruffR]

AFAIK, the WiFi.resolve() function relies on the DNS server provided by your gateway.
Have a check which IP that is via

WiFi.dnsServerIP();

And please no double posting

MDNS and DNS Service Discovery library

Ok. What does service discovery actually do? I suppose it relates to this line in your example subServices.push_back("printer"); Actually the only thing I want is to publish my IP address in some way. So I suppose I can use the minimal example that you’ve posted in the thread above. However I’m curious what the services are and what the benefit could be. Considering the time it takes. Maybe it related to the Udp firmware as well. Since I found this time also when I tried to parse messages. See…