--- service: j.root-servers.net start-period: '2016-02-12T00:00:00Z' end-period: '2016-02-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5444351024 dns-udp-queries-received-ipv6: 571882978 dns-tcp-queries-received-ipv4: 109142536 dns-tcp-queries-received-ipv6: 1734800 dns-udp-responses-sent-ipv4: 4955703144 dns-udp-responses-sent-ipv6: 570375997 dns-tcp-responses-sent-ipv4: 96778287 dns-tcp-responses-sent-ipv6: 320943