--- service: a.root-servers.net start-period: '2014-03-27T00:00:00Z' end-period: '2014-03-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2432208550 dns-udp-queries-received-ipv6: 94120091 dns-tcp-queries-received-ipv4: 13092922 dns-tcp-queries-received-ipv6: 925153 dns-udp-responses-sent-ipv4: 2430842116 dns-udp-responses-sent-ipv6: 94086516 dns-tcp-responses-sent-ipv4: 13122766 dns-tcp-responses-sent-ipv6: 131