--- service: j.root-servers.net start-period: '2015-01-08T00:00:00Z' end-period: '2015-01-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3358416364 dns-udp-queries-received-ipv6: 258456176 dns-tcp-queries-received-ipv4: 31436559 dns-tcp-queries-received-ipv6: 5760744 dns-udp-responses-sent-ipv4: 3365370019 dns-udp-responses-sent-ipv6: 258413889 dns-tcp-responses-sent-ipv4: 31584053 dns-tcp-responses-sent-ipv6: 4849648