--- service: a.root-servers.net start-period: '2014-10-28T00:00:00Z' end-period: '2014-10-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2965101575 dns-udp-queries-received-ipv6: 203146842 dns-tcp-queries-received-ipv4: 23533151 dns-tcp-queries-received-ipv6: 2139782 dns-udp-responses-sent-ipv4: 2962401599 dns-udp-responses-sent-ipv6: 203124623 dns-tcp-responses-sent-ipv4: 21984524 dns-tcp-responses-sent-ipv6: 1234482