--- service: j.root-servers.net start-period: '2014-04-20T00:00:00Z' end-period: '2014-04-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2327155642 dns-udp-queries-received-ipv6: 189841418 dns-tcp-queries-received-ipv4: 20401703 dns-tcp-queries-received-ipv6: 4598444 dns-udp-responses-sent-ipv4: 2319549197 dns-udp-responses-sent-ipv6: 189767776 dns-tcp-responses-sent-ipv4: 18568424 dns-tcp-responses-sent-ipv6: 184