--- version: rssac002v3 service: m.root-servers.net start-period: '2020-03-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3876980918 dns-udp-queries-received-ipv6: 744621748 dns-udp-responses-sent-ipv4: 3553129425 dns-udp-responses-sent-ipv6: 689903107 dns-tcp-queries-received-ipv4: 217402037 dns-tcp-queries-received-ipv6: 79863316 dns-tcp-responses-sent-ipv4: 217675098 dns-tcp-responses-sent-ipv6: 79921618