--- service: j.root-servers.net start-period: '2014-03-29T00:00:00Z' end-period: '2014-03-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2794495779 dns-udp-queries-received-ipv6: 205728712 dns-tcp-queries-received-ipv4: 22587308 dns-tcp-queries-received-ipv6: 2980524 dns-udp-responses-sent-ipv4: 2714078421 dns-udp-responses-sent-ipv6: 205542809 dns-tcp-responses-sent-ipv4: 20991898 dns-tcp-responses-sent-ipv6: 180