--- service: a.root-servers.net start-period: '2014-02-02T00:00:00Z' end-period: '2014-02-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1047531081 dns-udp-queries-received-ipv6: 66064604 dns-tcp-queries-received-ipv4: 6104345 dns-tcp-queries-received-ipv6: 980681 dns-udp-responses-sent-ipv4: 1047545607 dns-udp-responses-sent-ipv6: 66057682 dns-tcp-responses-sent-ipv4: 6092850 dns-tcp-responses-sent-ipv6: 283