--- service: i.root-servers.net start-period: '2014-09-26T00:00:00Z' end-period: '2014-09-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3169441857 dns-udp-queries-received-ipv6: 216985712 dns-tcp-queries-received-ipv4: 6584066 dns-tcp-queries-received-ipv6: 228969 dns-udp-responses-sent-ipv4: 3110744197 dns-udp-responses-sent-ipv6: 221114913 dns-tcp-responses-sent-ipv4: 6829420 dns-tcp-responses-sent-ipv6: 229039