--- version: rssac002v3 service: m.root-servers.net start-period: '2019-08-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3977236323 dns-udp-queries-received-ipv6: 866886786 dns-udp-responses-sent-ipv4: 3733729043 dns-udp-responses-sent-ipv6: 810504027 dns-tcp-queries-received-ipv4: 250292873 dns-tcp-queries-received-ipv6: 67721897 dns-tcp-responses-sent-ipv4: 250154467 dns-tcp-responses-sent-ipv6: 67797299