--- service: i.root-servers.net start-period: '2013-10-31T00:00:00Z' end-period: '2013-11-01T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2266845877 dns-udp-queries-received-ipv6: 122453128 dns-tcp-queries-received-ipv4: 4675422 dns-tcp-queries-received-ipv6: 206791 dns-udp-responses-sent-ipv4: 2339669790 dns-udp-responses-sent-ipv6: 129480479 dns-tcp-responses-sent-ipv4: 4671824 dns-tcp-responses-sent-ipv6: 215369