--- service: a.root-servers.net start-period: '2014-08-31T00:00:00Z' end-period: '2014-08-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1588965818 dns-udp-queries-received-ipv6: 135075717 dns-tcp-queries-received-ipv4: 11309729 dns-tcp-queries-received-ipv6: 1612645 dns-udp-responses-sent-ipv4: 1588755274 dns-udp-responses-sent-ipv6: 135053166 dns-tcp-responses-sent-ipv4: 10571193 dns-tcp-responses-sent-ipv6: 893793