--- version: rssac002v3 service: b.root-servers.net start-period: 2017-07-01T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2156484518 dns-udp-queries-received-ipv6: 461200231 dns-tcp-queries-received-ipv4: 66349259 dns-tcp-queries-received-ipv6: 7372342 dns-udp-responses-sent-ipv4: 2100493066 dns-udp-responses-sent-ipv6: 389451638 dns-tcp-responses-sent-ipv4: 66320925 dns-tcp-responses-sent-ipv6: 6219464