--- service: i.root-servers.net start-period: '2014-08-30T00:00:00Z' end-period: '2014-08-31T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2555268828 dns-udp-queries-received-ipv6: 201919923 dns-tcp-queries-received-ipv4: 6986416 dns-tcp-queries-received-ipv6: 246419 dns-udp-responses-sent-ipv4: 2506080872 dns-udp-responses-sent-ipv6: 205329255 dns-tcp-responses-sent-ipv4: 6627890 dns-tcp-responses-sent-ipv6: 249006