--- service: j.root-servers.net start-period: '2016-01-08T00:00:00Z' end-period: '2016-01-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4015740058 dns-udp-queries-received-ipv6: 564608872 dns-tcp-queries-received-ipv4: 72017474 dns-tcp-queries-received-ipv6: 1973986 dns-udp-responses-sent-ipv4: 3841601580 dns-udp-responses-sent-ipv6: 569374818 dns-tcp-responses-sent-ipv4: 61961776 dns-tcp-responses-sent-ipv6: 308703