--- service: j.root-servers.net start-period: '2016-04-29T00:00:00Z' end-period: '2016-04-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5847830263 dns-udp-queries-received-ipv6: 672547509 dns-tcp-queries-received-ipv4: 152261378 dns-tcp-queries-received-ipv6: 3793735 dns-udp-responses-sent-ipv4: 5557754900 dns-udp-responses-sent-ipv6: 671645341 dns-tcp-responses-sent-ipv4: 130305546 dns-tcp-responses-sent-ipv6: 1385601