--- service: a.root-servers.net start-period: '2014-02-25T00:00:00Z' end-period: '2014-02-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2172168424 dns-udp-queries-received-ipv6: 85758501 dns-tcp-queries-received-ipv4: 11275005 dns-tcp-queries-received-ipv6: 1189938 dns-udp-responses-sent-ipv4: 2145639318 dns-udp-responses-sent-ipv6: 85744000 dns-tcp-responses-sent-ipv4: 11339981 dns-tcp-responses-sent-ipv6: 117