--- version: rssac002v3 service: b.root-servers.net start-period: 2019-07-15T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 3313425349 dns-udp-queries-received-ipv6: 512711882 dns-tcp-queries-received-ipv4: 244976627 dns-tcp-queries-received-ipv6: 29881239 dns-udp-responses-sent-ipv4: 3073048309 dns-udp-responses-sent-ipv6: 512436323 dns-tcp-responses-sent-ipv4: 244957984 dns-tcp-responses-sent-ipv6: 29897023