[polycancel]

> It uses DNS/pkarr and relays as the primary method.

Thanks for clarifying that. So does that mean Iroh still require a DNS server or domain name even though it doesn't rely on IP address?

I thought dial by key means the other party just need to be on internet and has the right key/pubic identifier then they can reached.

Where does the message resides if the other end is NOT online?