--- service: j.root-servers.net start-period: '2015-04-04T00:00:00Z' end-period: '2015-04-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2992014767 dns-udp-queries-received-ipv6: 298069601 dns-tcp-queries-received-ipv4: 24909395 dns-tcp-queries-received-ipv6: 6535600 dns-udp-responses-sent-ipv4: 2927551329 dns-udp-responses-sent-ipv6: 298027052 dns-tcp-responses-sent-ipv4: 24666709 dns-tcp-responses-sent-ipv6: 3895226