--- version: rssac002v3 service: i.root-servers.net start-period: '2017-02-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6144181792 dns-udp-queries-received-ipv6: 779990403 dns-tcp-queries-received-ipv4: 76153058 dns-tcp-queries-received-ipv6: 7356606 dns-udp-responses-sent-ipv4: 6135583603 dns-udp-responses-sent-ipv6: 779832815 dns-tcp-responses-sent-ipv4: 77818009 dns-tcp-responses-sent-ipv6: 7396884