--- service: j.root-servers.net start-period: '2015-02-03T00:00:00Z' end-period: '2015-02-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3850628317 dns-udp-queries-received-ipv6: 293234881 dns-tcp-queries-received-ipv4: 27014280 dns-tcp-queries-received-ipv6: 4425872 dns-udp-responses-sent-ipv4: 3833594197 dns-udp-responses-sent-ipv6: 293188394 dns-tcp-responses-sent-ipv4: 27070356 dns-tcp-responses-sent-ipv6: 3698542