--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3885895485 dns-udp-queries-received-ipv6: 427636067 dns-tcp-queries-received-ipv4: 129434717 dns-tcp-queries-received-ipv6: 11164543 dns-udp-responses-sent-ipv4: 3883455301 dns-udp-responses-sent-ipv6: 427535817 dns-tcp-responses-sent-ipv4: 128980100 dns-tcp-responses-sent-ipv6: 11215355