--- service: i.root-servers.net start-period: '2016-02-26T00:00:00Z' end-period: '2016-02-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5165576885 dns-udp-queries-received-ipv6: 421563423 dns-tcp-queries-received-ipv4: 14885185 dns-tcp-queries-received-ipv6: 1198102 dns-udp-responses-sent-ipv4: 5091446961 dns-udp-responses-sent-ipv6: 421073491 dns-tcp-responses-sent-ipv4: 14597738 dns-tcp-responses-sent-ipv6: 1199731