--- service: j.root-servers.net start-period: '2016-04-30T00:00:00Z' end-period: '2016-04-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5228176236 dns-udp-queries-received-ipv6: 650545809 dns-tcp-queries-received-ipv4: 130041042 dns-tcp-queries-received-ipv6: 3328946 dns-udp-responses-sent-ipv4: 4983310379 dns-udp-responses-sent-ipv6: 649696042 dns-tcp-responses-sent-ipv4: 114506609 dns-tcp-responses-sent-ipv6: 1338198