--- service: j.root-servers.net start-period: '2015-09-03T00:00:00Z' end-period: '2015-09-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4931010385 dns-udp-queries-received-ipv6: 290243055 dns-tcp-queries-received-ipv4: 70195257 dns-tcp-queries-received-ipv6: 23796947 dns-udp-responses-sent-ipv4: 3853447539 dns-udp-responses-sent-ipv6: 291149632 dns-tcp-responses-sent-ipv4: 68120050 dns-tcp-responses-sent-ipv6: 21950677