--- service: j.root-servers.net start-period: '2015-06-14T00:00:00Z' end-period: '2015-06-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2883770327 dns-udp-queries-received-ipv6: 209183810 dns-tcp-queries-received-ipv4: 24625030 dns-tcp-queries-received-ipv6: 21035228 dns-udp-responses-sent-ipv4: 2874231479 dns-udp-responses-sent-ipv6: 209097646 dns-tcp-responses-sent-ipv4: 23531868 dns-tcp-responses-sent-ipv6: 20207087