13th February 2010
Interpreted as: What DNS Server is 184.108.40.206?
220.127.116.11 is the secondary DNS server for Google Public DNS.
Google Public DNS is a DNS service that is run by Google for the purpose of making the Internet and the DNS system faster, safer, secure, and more reliable for everyone online.
More information on Google Public DNS and what 18.104.22.168 is for, check out the Google DNS page.