--- service: j.root-servers.net start-period: '2014-12-24T00:00:00Z' end-period: '2014-12-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2981496045 dns-udp-queries-received-ipv6: 164846043 dns-tcp-queries-received-ipv4: 28832993 dns-tcp-queries-received-ipv6: 5518615 dns-udp-responses-sent-ipv4: 2976791356 dns-udp-responses-sent-ipv6: 163800952 dns-tcp-responses-sent-ipv4: 28708902 dns-tcp-responses-sent-ipv6: 4711190