--- version: rssac002v3 service: b.root-servers.net start-period: 2016-06-28T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2334260615 dns-udp-queries-received-ipv6: 322115757 dns-tcp-queries-received-ipv4: 32110092 dns-tcp-queries-received-ipv6: 4727581 dns-udp-responses-sent-ipv4: 2314255546 dns-udp-responses-sent-ipv6: 317893973 dns-tcp-responses-sent-ipv4: 31826073 dns-tcp-responses-sent-ipv6: 4727852