--- version: rssac002v3 service: m.root-servers.net start-period: '2020-03-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4111941668 dns-udp-queries-received-ipv6: 811918868 dns-udp-responses-sent-ipv4: 3818780182 dns-udp-responses-sent-ipv6: 764375687 dns-tcp-queries-received-ipv4: 228020707 dns-tcp-queries-received-ipv6: 88366038 dns-tcp-responses-sent-ipv4: 227575908 dns-tcp-responses-sent-ipv6: 88408932