Nmap NSE net: broadcast-dns-service-discovery

Attempts to discover hosts' services using the DNS Service Discovery protocol. It sends a multicast DNS-SD query and collects all the responses. The script first sends a query for _services._dns-sd._udp.local to get a list of services. It then sends a followup query for each one to try to get more information. SYNTAX: dnssd.services: string or table containing services to query