--- service: j.root-servers.net start-period: '2013-10-17T00:00:00Z' end-period: '2013-10-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2186831828 dns-udp-queries-received-ipv6: 142006405 dns-tcp-queries-received-ipv4: 19986165 dns-tcp-queries-received-ipv6: 3677207 dns-udp-responses-sent-ipv4: 2179750398 dns-udp-responses-sent-ipv6: 141997003 dns-tcp-responses-sent-ipv4: 19315185 dns-tcp-responses-sent-ipv6: 88021