--- service: j.root-servers.net start-period: '2014-02-23T00:00:00Z' end-period: '2014-02-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2551772490 dns-udp-queries-received-ipv6: 184586885 dns-tcp-queries-received-ipv4: 21622556 dns-tcp-queries-received-ipv6: 4197138 dns-udp-responses-sent-ipv4: 2525297603 dns-udp-responses-sent-ipv6: 184485147 dns-tcp-responses-sent-ipv4: 23606260 dns-tcp-responses-sent-ipv6: 198