--- service: j.root-servers.net start-period: '2014-05-12T00:00:00Z' end-period: '2014-05-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3163951308 dns-udp-queries-received-ipv6: 245210970 dns-tcp-queries-received-ipv4: 24059283 dns-tcp-queries-received-ipv6: 4023921 dns-udp-responses-sent-ipv4: 3146417509 dns-udp-responses-sent-ipv6: 245043763 dns-tcp-responses-sent-ipv4: 22807541 dns-tcp-responses-sent-ipv6: 216