--- service: j.root-servers.net start-period: '2015-03-16T00:00:00Z' end-period: '2015-03-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3215931471 dns-udp-queries-received-ipv6: 333050156 dns-tcp-queries-received-ipv4: 27418799 dns-tcp-queries-received-ipv6: 5423398 dns-udp-responses-sent-ipv4: 3227835608 dns-udp-responses-sent-ipv6: 332908920 dns-tcp-responses-sent-ipv4: 27194785 dns-tcp-responses-sent-ipv6: 4617350