--- service: i.root-servers.net start-period: '2015-08-17T00:00:00Z' end-period: '2015-08-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3839624901 dns-udp-queries-received-ipv6: 265434165 dns-tcp-queries-received-ipv4: 29554661 dns-tcp-queries-received-ipv6: 364684 dns-udp-responses-sent-ipv4: 5402500346 dns-udp-responses-sent-ipv6: 265414342 dns-tcp-responses-sent-ipv4: 29549415 dns-tcp-responses-sent-ipv6: 368041