--- version: rssac002v3 service: m.root-servers.net start-period: '2020-04-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3895979661 dns-udp-queries-received-ipv6: 789172895 dns-udp-responses-sent-ipv4: 3702932910 dns-udp-responses-sent-ipv6: 738850597 dns-tcp-queries-received-ipv4: 227692132 dns-tcp-queries-received-ipv6: 98380763 dns-tcp-responses-sent-ipv4: 227125079 dns-tcp-responses-sent-ipv6: 98419126