--- service: j.root-servers.net start-period: '2016-12-01T00:00:00Z' end-period: '2016-12-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6136920036 dns-udp-queries-received-ipv6: 561523303 dns-tcp-queries-received-ipv4: 194698679 dns-tcp-queries-received-ipv6: 7791715 dns-udp-responses-sent-ipv4: 6029456247 dns-udp-responses-sent-ipv6: 563844832 dns-tcp-responses-sent-ipv4: 173104882 dns-tcp-responses-sent-ipv6: 8052510