--- version: rssac002v3 service: b.root-servers.net start-period: 2018-04-06T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2326995262 dns-udp-queries-received-ipv6: 319812517 dns-tcp-queries-received-ipv4: 101919407 dns-tcp-queries-received-ipv6: 12261004 dns-udp-responses-sent-ipv4: 2220019457 dns-udp-responses-sent-ipv6: 319088890 dns-tcp-responses-sent-ipv4: 101781459 dns-tcp-responses-sent-ipv6: 12268831