--- service: j.root-servers.net start-period: '2016-09-13T00:00:00Z' end-period: '2016-09-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6937426282 dns-udp-queries-received-ipv6: 733513744 dns-tcp-queries-received-ipv4: 210925016 dns-tcp-queries-received-ipv6: 4726396 dns-udp-responses-sent-ipv4: 6754701008 dns-udp-responses-sent-ipv6: 735385672 dns-tcp-responses-sent-ipv4: 167002688 dns-tcp-responses-sent-ipv6: 2775712