--- service: j.root-servers.net start-period: '2016-06-03T00:00:00Z' end-period: '2016-06-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6066780791 dns-udp-queries-received-ipv6: 728481076 dns-tcp-queries-received-ipv4: 200489235 dns-tcp-queries-received-ipv6: 4224688 dns-udp-responses-sent-ipv4: 5818171615 dns-udp-responses-sent-ipv6: 729283801 dns-tcp-responses-sent-ipv4: 162029331 dns-tcp-responses-sent-ipv6: 1522850