--- service: j.root-servers.net start-period: '2014-05-04T00:00:00Z' end-period: '2014-05-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2490927495 dns-udp-queries-received-ipv6: 215750626 dns-tcp-queries-received-ipv4: 24783929 dns-tcp-queries-received-ipv6: 3948993 dns-udp-responses-sent-ipv4: 2454837699 dns-udp-responses-sent-ipv6: 215656701 dns-tcp-responses-sent-ipv4: 23138472 dns-tcp-responses-sent-ipv6: 259