--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3912813393 dns-udp-queries-received-ipv6: 428666481 dns-tcp-queries-received-ipv4: 132311525 dns-tcp-queries-received-ipv6: 10845493 dns-udp-responses-sent-ipv4: 3910513676 dns-udp-responses-sent-ipv6: 428621552 dns-tcp-responses-sent-ipv4: 131852361 dns-tcp-responses-sent-ipv6: 10965967