--- service: j.root-servers.net start-period: '2016-07-15T00:00:00Z' end-period: '2016-07-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6009455194 dns-udp-queries-received-ipv6: 720310483 dns-tcp-queries-received-ipv4: 163097823 dns-tcp-queries-received-ipv6: 5091251 dns-udp-responses-sent-ipv4: 5890386346 dns-udp-responses-sent-ipv6: 726148268 dns-tcp-responses-sent-ipv4: 135359014 dns-tcp-responses-sent-ipv6: 1992668