--- service: j.root-servers.net start-period: '2014-04-02T00:00:00Z' end-period: '2014-04-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3020937242 dns-udp-queries-received-ipv6: 232707303 dns-tcp-queries-received-ipv4: 22437964 dns-tcp-queries-received-ipv6: 2914288 dns-udp-responses-sent-ipv4: 2964220187 dns-udp-responses-sent-ipv6: 232558393 dns-tcp-responses-sent-ipv4: 20867273 dns-tcp-responses-sent-ipv6: 191