--- version: rssac002v3 service: m.root-servers.net start-period: '2019-12-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3696847327 dns-udp-queries-received-ipv6: 657486164 dns-udp-responses-sent-ipv4: 3462313671 dns-udp-responses-sent-ipv6: 620792270 dns-tcp-queries-received-ipv4: 218065400 dns-tcp-queries-received-ipv6: 97275073 dns-tcp-responses-sent-ipv4: 217953942 dns-tcp-responses-sent-ipv6: 97330734