--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3522771866 dns-udp-queries-received-ipv6: 448443824 dns-tcp-queries-received-ipv4: 101252411 dns-tcp-queries-received-ipv6: 17962155 dns-udp-responses-sent-ipv4: 3438606302 dns-udp-responses-sent-ipv6: 448161364 dns-tcp-responses-sent-ipv4: 97820388 dns-tcp-responses-sent-ipv6: 17975514