RubyDNS Server Output

~/Desktop $> sudo ~/.rvm/bin/ruby-1.9.2-p180 dns.rb start
Starting daemon...
Waiting for daemon to start...
Daemon status: crashed
=== Daemon Exception Backtrace @ 2011-06-17 12:04:16 +0200 ===
RuntimeError: no datagram socket
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/eventmachine-0.12.10/lib/eventmachine.rb:915:in `open_udp_socket'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/eventmachine-0.12.10/lib/eventmachine.rb:915:in `open_datagram_socket'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/rubydns-0.2.3/lib/rubydns.rb:66:in `block (2 levels) in run_server'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/rubydns-0.2.3/lib/rubydns.rb:64:in `each'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/rubydns-0.2.3/lib/rubydns.rb:64:in `block in run_server'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `call'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
/Users/.../.rvm/gems/ruby-1.9.2-p180/gems/rubydns-0.2.3/lib/rubydns.rb:60:in `run_server'
dns.rb:47:in `run'
/Users/jeremydavid/.rvm/gems/ruby-1.9.2-p180/gems/rexec-1.1.12/lib/rexec/daemon/controller.rb:85:in `block (2 levels) in start'
=== Daemon Crashed ===