--- service: j.root-servers.net start-period: '2016-06-16T00:00:00Z' end-period: '2016-06-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6200772351 dns-udp-queries-received-ipv6: 533375195 dns-tcp-queries-received-ipv4: 180699929 dns-tcp-queries-received-ipv6: 4915142 dns-udp-responses-sent-ipv4: 6021708333 dns-udp-responses-sent-ipv6: 532174947 dns-tcp-responses-sent-ipv4: 150855643 dns-tcp-responses-sent-ipv6: 2322027