--- version: rssac002v3 service: b.root-servers.net start-period: 2019-07-07T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2903101794 dns-udp-queries-received-ipv6: 505439416 dns-tcp-queries-received-ipv4: 226281167 dns-tcp-queries-received-ipv6: 26550559 dns-udp-responses-sent-ipv4: 2681440171 dns-udp-responses-sent-ipv6: 505229870 dns-tcp-responses-sent-ipv4: 226267946 dns-tcp-responses-sent-ipv6: 26563571