--- version: rssac002v3 service: b.root-servers.net start-period: 2018-06-08T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2517685992 dns-udp-queries-received-ipv6: 202738875 dns-tcp-queries-received-ipv4: 85980552 dns-tcp-queries-received-ipv6: 6941217 dns-udp-responses-sent-ipv4: 2410996601 dns-udp-responses-sent-ipv6: 202682907 dns-tcp-responses-sent-ipv4: 85813093 dns-tcp-responses-sent-ipv6: 6945068