--- version: rssac002v3 service: b.root-servers.net start-period: 2018-02-22T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2902408592 dns-udp-queries-received-ipv6: 331649171 dns-tcp-queries-received-ipv4: 98942118 dns-tcp-queries-received-ipv6: 11447152 dns-udp-responses-sent-ipv4: 2802689506 dns-udp-responses-sent-ipv6: 331324174 dns-tcp-responses-sent-ipv4: 98902286 dns-tcp-responses-sent-ipv6: 11455412