--- service: j.root-servers.net start-period: '2014-01-13T00:00:00Z' end-period: '2014-01-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2857926854 dns-udp-queries-received-ipv6: 170737524 dns-tcp-queries-received-ipv4: 24218818 dns-tcp-queries-received-ipv6: 4113920 dns-udp-responses-sent-ipv4: 2822144582 dns-udp-responses-sent-ipv6: 170703749 dns-tcp-responses-sent-ipv4: 21594918 dns-tcp-responses-sent-ipv6: 1106