--- version: rssac002v3 service: b.root-servers.net start-period: 2017-06-18T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 1966292462 dns-udp-queries-received-ipv6: 431874150 dns-tcp-queries-received-ipv4: 60330266 dns-tcp-queries-received-ipv6: 7866051 dns-udp-responses-sent-ipv4: 1901421983 dns-udp-responses-sent-ipv6: 361641555 dns-tcp-responses-sent-ipv4: 60293560 dns-tcp-responses-sent-ipv6: 6791611