--- version: rssac002v3 service: m.root-servers.net start-period: '2019-04-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3877244614 dns-udp-queries-received-ipv6: 707734031 dns-udp-responses-sent-ipv4: 3679729056 dns-udp-responses-sent-ipv6: 655390042 dns-tcp-queries-received-ipv4: 170165792 dns-tcp-queries-received-ipv6: 48766309 dns-tcp-responses-sent-ipv4: 169814120 dns-tcp-responses-sent-ipv6: 48854782