Without a central server, hostname resolution is handled with mDNS. It is designed to do exactly what you’re asking: allow you to resolve hostnames to IP addresses without a DNS server. A node simply broadcasts (multicasts) a request for who has a name, and whichever node has it responds with their IP.
Without a central server, hostname resolution is handled with mDNS. It is designed to do exactly what you’re asking: allow you to resolve hostnames to IP addresses without a DNS server. A node simply broadcasts (multicasts) a request for who has a name, and whichever node has it responds with their IP.