--- service: j.root-servers.net start-period: '2016-09-18T00:00:00Z' end-period: '2016-09-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5793395131 dns-udp-queries-received-ipv6: 688399981 dns-tcp-queries-received-ipv4: 146865135 dns-tcp-queries-received-ipv6: 4183387 dns-udp-responses-sent-ipv4: 5705925831 dns-udp-responses-sent-ipv6: 688788714 dns-tcp-responses-sent-ipv4: 124563525 dns-tcp-responses-sent-ipv6: 2681240