--- service: j.root-servers.net start-period: '2014-12-26T00:00:00Z' end-period: '2014-12-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3187256596 dns-udp-queries-received-ipv6: 172134832 dns-tcp-queries-received-ipv4: 29441195 dns-tcp-queries-received-ipv6: 5513210 dns-udp-responses-sent-ipv4: 3197879512 dns-udp-responses-sent-ipv6: 171649711 dns-tcp-responses-sent-ipv4: 29624138 dns-tcp-responses-sent-ipv6: 4784010