--- service: a.root-servers.net start-period: '2014-11-11T00:00:00Z' end-period: '2014-11-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2784701943 dns-udp-queries-received-ipv6: 210786011 dns-tcp-queries-received-ipv4: 18768381 dns-tcp-queries-received-ipv6: 1990149 dns-udp-responses-sent-ipv4: 2783610877 dns-udp-responses-sent-ipv6: 210756565 dns-tcp-responses-sent-ipv4: 17116504 dns-tcp-responses-sent-ipv6: 1345803