--- version: rssac002v3 service: b.root-servers.net start-period: 2017-04-25T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2912408049 dns-udp-queries-received-ipv6: 389148843 dns-tcp-queries-received-ipv4: 115713151 dns-tcp-queries-received-ipv6: 10873622 dns-udp-responses-sent-ipv4: 2734161160 dns-udp-responses-sent-ipv6: 381800027 dns-tcp-responses-sent-ipv4: 115605719 dns-tcp-responses-sent-ipv6: 10882632