--- service: j.root-servers.net start-period: '2016-04-28T00:00:00Z' end-period: '2016-04-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5997863761 dns-udp-queries-received-ipv6: 674138042 dns-tcp-queries-received-ipv4: 165011471 dns-tcp-queries-received-ipv6: 4457519 dns-udp-responses-sent-ipv4: 5695543634 dns-udp-responses-sent-ipv6: 673395424 dns-tcp-responses-sent-ipv4: 139122561 dns-tcp-responses-sent-ipv6: 2011855