Resolv::MDNS is a one-shot Multicast DNS (mDNS) resolver. It blindly makes queries to the mDNS addresses without understanding anything about multicast ports.
Information taken form the following places:
RFC 6762
# File lib/resolv.rb, line 2641
def initialize(config_info=nil)
  if config_info then
    super({ nameserver_port: Addresses }.merge(config_info))
  else
    super(nameserver_port: Addresses)
  end
end Creates a new one-shot Multicast DNS (mDNS) resolver.
config_info can be:
Uses the default mDNS addresses
Hash Must contain :nameserver or :nameserver_port like Resolv::DNS#initialize.
Resolv::DNS::new # File lib/resolv.rb, line 2657 def each_address(name) name = Resolv::DNS::Name.create(name) return unless name[-1].to_s == 'local' super(name) end
Iterates over all IP addresses for name retrieved from the mDNS resolver, provided name ends with “local”. If the name does not end in “local” no records will be returned.
name can be a Resolv::DNS::Name or a String. Retrieved addresses will be a Resolv::IPv4 or Resolv::IPv6
Resolv::DNS#each_address 
    Ruby Core © 1993–2020 Yukihiro Matsumoto
Licensed under the Ruby License.
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