--- service: j.root-servers.net start-period: '2016-12-27T00:00:00Z' end-period: '2016-12-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5906391775 dns-udp-queries-received-ipv6: 614911170 dns-tcp-queries-received-ipv4: 184861248 dns-tcp-queries-received-ipv6: 10928136 dns-udp-responses-sent-ipv4: 5795761441 dns-udp-responses-sent-ipv6: 618925151 dns-tcp-responses-sent-ipv4: 163040885 dns-tcp-responses-sent-ipv6: 10986908