--- service: j.root-servers.net start-period: '2016-07-16T00:00:00Z' end-period: '2016-07-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5455150055 dns-udp-queries-received-ipv6: 687571932 dns-tcp-queries-received-ipv4: 144389040 dns-tcp-queries-received-ipv6: 3827677 dns-udp-responses-sent-ipv4: 5342208449 dns-udp-responses-sent-ipv6: 691810805 dns-tcp-responses-sent-ipv4: 122057520 dns-tcp-responses-sent-ipv6: 860756