--- service: d.root-servers.net start-period: '2016-02-24T00:00:00Z' end-period: '2016-02-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4560591395 dns-udp-queries-received-ipv6: 521496749 dns-tcp-queries-received-ipv4: 27028198 dns-tcp-queries-received-ipv6: 1114951 dns-udp-responses-sent-ipv4: 4538587556 dns-udp-responses-sent-ipv6: 521172949 dns-tcp-responses-sent-ipv4: 27011916 dns-tcp-responses-sent-ipv6: 1114899