--- service: j.root-servers.net start-period: '2015-08-16T00:00:00Z' end-period: '2015-08-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5002007798 dns-udp-queries-received-ipv6: 290159633 dns-tcp-queries-received-ipv4: 57028883 dns-tcp-queries-received-ipv6: 23597583 dns-udp-responses-sent-ipv4: 3933615030 dns-udp-responses-sent-ipv6: 291186165 dns-tcp-responses-sent-ipv4: 56470370 dns-tcp-responses-sent-ipv6: 22086978