--- service: j.root-servers.net start-period: '2014-04-29T00:00:00Z' end-period: '2014-04-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2733518758 dns-udp-queries-received-ipv6: 221044713 dns-tcp-queries-received-ipv4: 23843267 dns-tcp-queries-received-ipv6: 4856226 dns-udp-responses-sent-ipv4: 2708023554 dns-udp-responses-sent-ipv6: 220966315 dns-tcp-responses-sent-ipv4: 22712673 dns-tcp-responses-sent-ipv6: 254