--- service: i.root-servers.net start-period: '2014-06-06T00:00:00Z' end-period: '2014-06-07T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2582034348 dns-udp-queries-received-ipv6: 240098844 dns-tcp-queries-received-ipv4: 6386426 dns-tcp-queries-received-ipv6: 240373 dns-udp-responses-sent-ipv4: 2524986239 dns-udp-responses-sent-ipv6: 239777196 dns-tcp-responses-sent-ipv4: 6607828 dns-tcp-responses-sent-ipv6: 244213