--- service: j.root-servers.net start-period: '2016-12-29T00:00:00Z' end-period: '2016-12-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6152788864 dns-udp-queries-received-ipv6: 601084516 dns-tcp-queries-received-ipv4: 195027546 dns-tcp-queries-received-ipv6: 10675632 dns-udp-responses-sent-ipv4: 6016164596 dns-udp-responses-sent-ipv6: 604951553 dns-tcp-responses-sent-ipv4: 168513034 dns-tcp-responses-sent-ipv6: 10682977