--- service: j.root-servers.net start-period: '2014-04-04T00:00:00Z' end-period: '2014-04-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2689834727 dns-udp-queries-received-ipv6: 211773611 dns-tcp-queries-received-ipv4: 20325642 dns-tcp-queries-received-ipv6: 2842959 dns-udp-responses-sent-ipv4: 2623275395 dns-udp-responses-sent-ipv6: 211602767 dns-tcp-responses-sent-ipv4: 18709813 dns-tcp-responses-sent-ipv6: 205