--- version: rssac002v3 service: m.root-servers.net start-period: '2019-07-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4149105061 dns-udp-queries-received-ipv6: 912081112 dns-udp-responses-sent-ipv4: 3939931451 dns-udp-responses-sent-ipv6: 871682115 dns-tcp-queries-received-ipv4: 283257265 dns-tcp-queries-received-ipv6: 64598014 dns-tcp-responses-sent-ipv4: 283621916 dns-tcp-responses-sent-ipv6: 64708473