--- service: j.root-servers.net start-period: '2013-10-25T00:00:00Z' end-period: '2013-10-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2492911757 dns-udp-queries-received-ipv6: 163955559 dns-tcp-queries-received-ipv4: 20674772 dns-tcp-queries-received-ipv6: 3694772 dns-udp-responses-sent-ipv4: 2483689685 dns-udp-responses-sent-ipv6: 163930020 dns-tcp-responses-sent-ipv4: 19272177 dns-tcp-responses-sent-ipv6: 469082