--- service: a.root-servers.net start-period: '2014-11-30T00:00:00Z' end-period: '2014-11-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2275748257 dns-udp-queries-received-ipv6: 182306329 dns-tcp-queries-received-ipv4: 16823091 dns-tcp-queries-received-ipv6: 2216266 dns-udp-responses-sent-ipv4: 2275511451 dns-udp-responses-sent-ipv6: 182298243 dns-tcp-responses-sent-ipv4: 15753551 dns-tcp-responses-sent-ipv6: 1586522