--- service: a.root-servers.net start-period: '2014-03-04T00:00:00Z' end-period: '2014-03-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2222535099 dns-udp-queries-received-ipv6: 89547095 dns-tcp-queries-received-ipv4: 11416392 dns-tcp-queries-received-ipv6: 1204663 dns-udp-responses-sent-ipv4: 2199632069 dns-udp-responses-sent-ipv6: 89539775 dns-tcp-responses-sent-ipv4: 11491958 dns-tcp-responses-sent-ipv6: 334