--- service: j.root-servers.net start-period: '2016-01-16T00:00:00Z' end-period: '2016-01-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4226067225 dns-udp-queries-received-ipv6: 512240657 dns-tcp-queries-received-ipv4: 81462464 dns-tcp-queries-received-ipv6: 1769866 dns-udp-responses-sent-ipv4: 3962395900 dns-udp-responses-sent-ipv6: 514959043 dns-tcp-responses-sent-ipv4: 71939571 dns-tcp-responses-sent-ipv6: 318566