We pick g.root-servers.net, one of the 13 root servers (1), and ask it about e7e7e7e7e7www.google.com.pe and learn that pe is delegated to three name servers (2), so we ask quipu.rcp.net.pe where we learn that google.com.pe is delegated to four name servers, including ns1.google.com (3), so we ask that one and get the following answer: