--- version: rssac002v3 service: b.root-servers.net start-period: 2018-06-14T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 3045492133 dns-udp-queries-received-ipv6: 375846066 dns-tcp-queries-received-ipv4: 116754184 dns-tcp-queries-received-ipv6: 14845730 dns-udp-responses-sent-ipv4: 2958418429 dns-udp-responses-sent-ipv6: 375361727 dns-tcp-responses-sent-ipv4: 116098387 dns-tcp-responses-sent-ipv6: 14856811