--- service: j.root-servers.net start-period: '2013-10-09T00:00:00Z' end-period: '2013-10-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1994454074 dns-udp-queries-received-ipv6: 129221206 dns-tcp-queries-received-ipv4: 14311523 dns-tcp-queries-received-ipv6: 1870002 dns-udp-responses-sent-ipv4: 1988339801 dns-udp-responses-sent-ipv6: 129183183 dns-tcp-responses-sent-ipv4: 13317706 dns-tcp-responses-sent-ipv6: 78646