--- service: j.root-servers.net start-period: '2016-04-23T00:00:00Z' end-period: '2016-04-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5683068741 dns-udp-queries-received-ipv6: 647750097 dns-tcp-queries-received-ipv4: 174381044 dns-tcp-queries-received-ipv6: 2818554 dns-udp-responses-sent-ipv4: 5387407056 dns-udp-responses-sent-ipv6: 647049658 dns-tcp-responses-sent-ipv4: 152502754 dns-tcp-responses-sent-ipv6: 535689