--- service: j.root-servers.net start-period: '2016-06-11T00:00:00Z' end-period: '2016-06-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5690407763 dns-udp-queries-received-ipv6: 677900402 dns-tcp-queries-received-ipv4: 174101647 dns-tcp-queries-received-ipv6: 3162800 dns-udp-responses-sent-ipv4: 5457928081 dns-udp-responses-sent-ipv6: 677522531 dns-tcp-responses-sent-ipv4: 144136111 dns-tcp-responses-sent-ipv6: 624790