--- service: j.root-servers.net start-period: '2014-07-29T00:00:00Z' end-period: '2014-07-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3658133333 dns-udp-queries-received-ipv6: 255621392 dns-tcp-queries-received-ipv4: 37842532 dns-tcp-queries-received-ipv6: 5696446 dns-udp-responses-sent-ipv4: 3647611443 dns-udp-responses-sent-ipv6: 254958002 dns-tcp-responses-sent-ipv4: 38785602 dns-tcp-responses-sent-ipv6: 2843199