--- service: j.root-servers.net start-period: '2015-06-10T00:00:00Z' end-period: '2015-06-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3121092547 dns-udp-queries-received-ipv6: 225934957 dns-tcp-queries-received-ipv4: 25773093 dns-tcp-queries-received-ipv6: 24142310 dns-udp-responses-sent-ipv4: 3050672170 dns-udp-responses-sent-ipv6: 225889423 dns-tcp-responses-sent-ipv4: 25008655 dns-tcp-responses-sent-ipv6: 20263878