--- service: j.root-servers.net start-period: '2016-06-12T00:00:00Z' end-period: '2016-06-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5874844016 dns-udp-queries-received-ipv6: 671326023 dns-tcp-queries-received-ipv4: 177586570 dns-tcp-queries-received-ipv6: 3390190 dns-udp-responses-sent-ipv4: 5624020048 dns-udp-responses-sent-ipv6: 670540639 dns-tcp-responses-sent-ipv4: 146891590 dns-tcp-responses-sent-ipv6: 662871