--- version: rssac002v3 service: b.root-servers.net start-period: 2018-03-26T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2214533181 dns-udp-queries-received-ipv6: 296916932 dns-tcp-queries-received-ipv4: 97814097 dns-tcp-queries-received-ipv6: 12631228 dns-udp-responses-sent-ipv4: 2127729787 dns-udp-responses-sent-ipv6: 296241697 dns-tcp-responses-sent-ipv4: 97763864 dns-tcp-responses-sent-ipv6: 12640632