--- service: d.root-servers.net start-period: '2016-05-25T00:00:00Z' end-period: '2016-05-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5746038222 dns-udp-queries-received-ipv6: 739421288 dns-tcp-queries-received-ipv4: 33252727 dns-tcp-queries-received-ipv6: 721853 dns-udp-responses-sent-ipv4: 5730988655 dns-udp-responses-sent-ipv6: 739155351 dns-tcp-responses-sent-ipv4: 33217732 dns-tcp-responses-sent-ipv6: 721773