--- service: j.root-servers.net start-period: '2015-10-10T00:00:00Z' end-period: '2015-10-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3897686818 dns-udp-queries-received-ipv6: 393324158 dns-tcp-queries-received-ipv4: 63456034 dns-tcp-queries-received-ipv6: 14241281 dns-udp-responses-sent-ipv4: 3826677499 dns-udp-responses-sent-ipv6: 392589909 dns-tcp-responses-sent-ipv4: 61225164 dns-tcp-responses-sent-ipv6: 13788802