--- service: j.root-servers.net start-period: '2014-12-13T00:00:00Z' end-period: '2014-12-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2824169505 dns-udp-queries-received-ipv6: 214702444 dns-tcp-queries-received-ipv4: 27902734 dns-tcp-queries-received-ipv6: 5420035 dns-udp-responses-sent-ipv4: 2819252055 dns-udp-responses-sent-ipv6: 214728833 dns-tcp-responses-sent-ipv4: 27802411 dns-tcp-responses-sent-ipv6: 4746085