--- version: rssac002v3 service: m.root-servers.net start-period: '2020-01-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3353902185 dns-udp-queries-received-ipv6: 635541118 dns-udp-responses-sent-ipv4: 3104687084 dns-udp-responses-sent-ipv6: 507679671 dns-tcp-queries-received-ipv4: 201933956 dns-tcp-queries-received-ipv6: 69599925 dns-tcp-responses-sent-ipv4: 201804664 dns-tcp-responses-sent-ipv6: 69649971