--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3995114823 dns-udp-queries-received-ipv6: 432331676 dns-tcp-queries-received-ipv4: 208882818 dns-tcp-queries-received-ipv6: 12801924 dns-udp-responses-sent-ipv4: 3992742343 dns-udp-responses-sent-ipv6: 432274591 dns-tcp-responses-sent-ipv4: 209676577 dns-tcp-responses-sent-ipv6: 12908272