--- service: j.root-servers.net start-period: '2016-02-20T00:00:00Z' end-period: '2016-02-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5354967202 dns-udp-queries-received-ipv6: 580874246 dns-tcp-queries-received-ipv4: 133355229 dns-tcp-queries-received-ipv6: 2831965 dns-udp-responses-sent-ipv4: 4825370440 dns-udp-responses-sent-ipv6: 580511313 dns-tcp-responses-sent-ipv4: 110530858 dns-tcp-responses-sent-ipv6: 342163