--- service: j.root-servers.net start-period: '2013-10-13T00:00:00Z' end-period: '2013-10-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1647290631 dns-udp-queries-received-ipv6: 128371084 dns-tcp-queries-received-ipv4: 14805558 dns-tcp-queries-received-ipv6: 2977251 dns-udp-responses-sent-ipv4: 1639986857 dns-udp-responses-sent-ipv6: 128339935 dns-tcp-responses-sent-ipv4: 13278889 dns-tcp-responses-sent-ipv6: 78615