--- service: a.root-servers.net start-period: '2013-11-24T00:00:00Z' end-period: '2013-11-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1256548739 dns-udp-queries-received-ipv6: 81247828 dns-tcp-queries-received-ipv4: 6503236 dns-tcp-queries-received-ipv6: 1261567 dns-udp-responses-sent-ipv4: 1253953272 dns-udp-responses-sent-ipv6: 81260567 dns-tcp-responses-sent-ipv4: 7004132 dns-tcp-responses-sent-ipv6: 194