--- service: j.root-servers.net start-period: '2016-08-19T00:00:00Z' end-period: '2016-08-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6161615639 dns-udp-queries-received-ipv6: 766218027 dns-tcp-queries-received-ipv4: 183526977 dns-tcp-queries-received-ipv6: 4829667 dns-udp-responses-sent-ipv4: 6032288572 dns-udp-responses-sent-ipv6: 768316041 dns-tcp-responses-sent-ipv4: 151145056 dns-tcp-responses-sent-ipv6: 3172679