--- service: j.root-servers.net start-period: '2016-01-03T00:00:00Z' end-period: '2016-01-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3004056317 dns-udp-queries-received-ipv6: 518630530 dns-tcp-queries-received-ipv4: 49499458 dns-tcp-queries-received-ipv6: 1734961 dns-udp-responses-sent-ipv4: 2983306531 dns-udp-responses-sent-ipv6: 519259148 dns-tcp-responses-sent-ipv4: 42504816 dns-tcp-responses-sent-ipv6: 271011