--- service: j.root-servers.net start-period: '2014-12-23T00:00:00Z' end-period: '2014-12-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3179503020 dns-udp-queries-received-ipv6: 205216413 dns-tcp-queries-received-ipv4: 29884645 dns-tcp-queries-received-ipv6: 5673394 dns-udp-responses-sent-ipv4: 3177446819 dns-udp-responses-sent-ipv6: 204442708 dns-tcp-responses-sent-ipv4: 29877850 dns-tcp-responses-sent-ipv6: 4799458