--- service: j.root-servers.net start-period: '2015-06-03T00:00:00Z' end-period: '2015-06-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3105367052 dns-udp-queries-received-ipv6: 210924824 dns-tcp-queries-received-ipv4: 27459604 dns-tcp-queries-received-ipv6: 6519606 dns-udp-responses-sent-ipv4: 3039673187 dns-udp-responses-sent-ipv6: 210839542 dns-tcp-responses-sent-ipv4: 26833509 dns-tcp-responses-sent-ipv6: 4693641