--- service: j.root-servers.net start-period: '2014-01-03T00:00:00Z' end-period: '2014-01-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2809532841 dns-udp-queries-received-ipv6: 171958641 dns-tcp-queries-received-ipv4: 23656542 dns-tcp-queries-received-ipv6: 2627333 dns-udp-responses-sent-ipv4: 2802600660 dns-udp-responses-sent-ipv6: 171919858 dns-tcp-responses-sent-ipv4: 21897932 dns-tcp-responses-sent-ipv6: 169