--- service: j.root-servers.net start-period: '2016-02-04T00:00:00Z' end-period: '2016-02-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5768886508 dns-udp-queries-received-ipv6: 589068401 dns-tcp-queries-received-ipv4: 131196371 dns-tcp-queries-received-ipv6: 2052993 dns-udp-responses-sent-ipv4: 5315969845 dns-udp-responses-sent-ipv6: 595406413 dns-tcp-responses-sent-ipv4: 113942728 dns-tcp-responses-sent-ipv6: 320817