--- service: a.root-servers.net start-period: '2014-12-01T00:00:00Z' end-period: '2014-12-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2867472619 dns-udp-queries-received-ipv6: 201139589 dns-tcp-queries-received-ipv4: 18735119 dns-tcp-queries-received-ipv6: 2356051 dns-udp-responses-sent-ipv4: 2866771180 dns-udp-responses-sent-ipv6: 201089928 dns-tcp-responses-sent-ipv4: 17427895 dns-tcp-responses-sent-ipv6: 1585419