--- service: d.root-servers.net start-period: '2016-04-24T00:00:00Z' end-period: '2016-04-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3975324644 dns-udp-queries-received-ipv6: 585706142 dns-tcp-queries-received-ipv4: 35812112 dns-tcp-queries-received-ipv6: 548760 dns-udp-responses-sent-ipv4: 3960519208 dns-udp-responses-sent-ipv6: 585482951 dns-tcp-responses-sent-ipv4: 35717133 dns-tcp-responses-sent-ipv6: 548581