--- service: j.root-servers.net start-period: '2016-04-04T00:00:00Z' end-period: '2016-04-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5414283910 dns-udp-queries-received-ipv6: 735549728 dns-tcp-queries-received-ipv4: 161387315 dns-tcp-queries-received-ipv6: 2613581 dns-udp-responses-sent-ipv4: 5168359931 dns-udp-responses-sent-ipv6: 737391898 dns-tcp-responses-sent-ipv4: 146885838 dns-tcp-responses-sent-ipv6: 309557