--- service: j.root-servers.net start-period: '2014-04-22T00:00:00Z' end-period: '2014-04-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2692372050 dns-udp-queries-received-ipv6: 223129392 dns-tcp-queries-received-ipv4: 21815278 dns-tcp-queries-received-ipv6: 4669397 dns-udp-responses-sent-ipv4: 2683181229 dns-udp-responses-sent-ipv6: 223045206 dns-tcp-responses-sent-ipv4: 23008703 dns-tcp-responses-sent-ipv6: 195