--- service: j.root-servers.net start-period: '2016-06-09T00:00:00Z' end-period: '2016-06-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6135362985 dns-udp-queries-received-ipv6: 740117317 dns-tcp-queries-received-ipv4: 191902516 dns-tcp-queries-received-ipv6: 3551784 dns-udp-responses-sent-ipv4: 5897805224 dns-udp-responses-sent-ipv6: 739385156 dns-tcp-responses-sent-ipv4: 153991670 dns-tcp-responses-sent-ipv6: 760584