--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3680589747 dns-udp-queries-received-ipv6: 437725470 dns-tcp-queries-received-ipv4: 162229503 dns-tcp-queries-received-ipv6: 8131446 dns-udp-responses-sent-ipv4: 3673903796 dns-udp-responses-sent-ipv6: 437680994 dns-tcp-responses-sent-ipv4: 162242281 dns-tcp-responses-sent-ipv6: 8278570