--- service: j.root-servers.net start-period: '2014-01-29T00:00:00Z' end-period: '2014-01-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2790115933 dns-udp-queries-received-ipv6: 213063977 dns-tcp-queries-received-ipv4: 24547229 dns-tcp-queries-received-ipv6: 4006670 dns-udp-responses-sent-ipv4: 2780873946 dns-udp-responses-sent-ipv6: 212984817 dns-tcp-responses-sent-ipv4: 22905766 dns-tcp-responses-sent-ipv6: 213