--- service: j.root-servers.net start-period: '2016-06-01T00:00:00Z' end-period: '2016-06-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6409959780 dns-udp-queries-received-ipv6: 701088926 dns-tcp-queries-received-ipv4: 200943206 dns-tcp-queries-received-ipv6: 3840597 dns-udp-responses-sent-ipv4: 6138552149 dns-udp-responses-sent-ipv6: 699051440 dns-tcp-responses-sent-ipv4: 161064768 dns-tcp-responses-sent-ipv6: 1195456