--- service: a.root-servers.net start-period: '2013-11-10T00:00:00Z' end-period: '2013-11-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1423331209 dns-udp-queries-received-ipv6: 83844922 dns-tcp-queries-received-ipv4: 6617549 dns-tcp-queries-received-ipv6: 1384339 dns-udp-responses-sent-ipv4: 1422493239 dns-udp-responses-sent-ipv6: 83852148 dns-tcp-responses-sent-ipv4: 7115463 dns-tcp-responses-sent-ipv6: 13134