--- version: rssac002v3 service: i.root-servers.net start-period: '2017-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6346035099 dns-udp-queries-received-ipv6: 862364759 dns-tcp-queries-received-ipv4: 81560657 dns-tcp-queries-received-ipv6: 7995215 dns-udp-responses-sent-ipv4: 6251661224 dns-udp-responses-sent-ipv6: 862074191 dns-tcp-responses-sent-ipv4: 83373844 dns-tcp-responses-sent-ipv6: 8164596