--- service: j.root-servers.net start-period: '2015-05-14T00:00:00Z' end-period: '2015-05-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5817285941 dns-udp-queries-received-ipv6: 361078841 dns-tcp-queries-received-ipv4: 72840972 dns-tcp-queries-received-ipv6: 6181576 dns-udp-responses-sent-ipv4: 5703093225 dns-udp-responses-sent-ipv6: 360736644 dns-tcp-responses-sent-ipv4: 72358753 dns-tcp-responses-sent-ipv6: 4078893