--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3280368036 dns-udp-queries-received-ipv6: 398512302 dns-tcp-queries-received-ipv4: 117784926 dns-tcp-queries-received-ipv6: 11280872 dns-udp-responses-sent-ipv4: 3276468756 dns-udp-responses-sent-ipv6: 398499965 dns-tcp-responses-sent-ipv4: 116937999 dns-tcp-responses-sent-ipv6: 11421162