--- service: j.root-servers.net start-period: '2016-05-17T00:00:00Z' end-period: '2016-05-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7680254557 dns-udp-queries-received-ipv6: 807118433 dns-tcp-queries-received-ipv4: 233877351 dns-tcp-queries-received-ipv6: 4377641 dns-udp-responses-sent-ipv4: 7825162588 dns-udp-responses-sent-ipv6: 807664525 dns-tcp-responses-sent-ipv4: 191208338 dns-tcp-responses-sent-ipv6: 1472076