--- service: j.root-servers.net start-period: '2016-12-07T00:00:00Z' end-period: '2016-12-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6276924387 dns-udp-queries-received-ipv6: 541915431 dns-tcp-queries-received-ipv4: 210131452 dns-tcp-queries-received-ipv6: 11216804 dns-udp-responses-sent-ipv4: 6159671443 dns-udp-responses-sent-ipv6: 542775655 dns-tcp-responses-sent-ipv4: 185051025 dns-tcp-responses-sent-ipv6: 11257405