--- service: i.root-servers.net start-period: '2014-08-01T00:00:00Z' end-period: '2014-08-02T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3026824711 dns-udp-queries-received-ipv6: 263756546 dns-tcp-queries-received-ipv4: 6356619 dns-tcp-queries-received-ipv6: 271592 dns-udp-responses-sent-ipv4: 2969505296 dns-udp-responses-sent-ipv6: 263936855 dns-tcp-responses-sent-ipv4: 6528178 dns-tcp-responses-sent-ipv6: 273661