--- version: rssac002v3 service: b.root-servers.net start-period: 2018-03-03T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2615411888 dns-udp-queries-received-ipv6: 309007943 dns-tcp-queries-received-ipv4: 90383681 dns-tcp-queries-received-ipv6: 11076630 dns-udp-responses-sent-ipv4: 2551910101 dns-udp-responses-sent-ipv6: 308504379 dns-tcp-responses-sent-ipv4: 90333894 dns-tcp-responses-sent-ipv6: 11083978