--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5074277437 dns-udp-queries-received-ipv6: 490106331 dns-tcp-queries-received-ipv4: 20955548 dns-tcp-queries-received-ipv6: 1119696 dns-udp-responses-sent-ipv4: 5078826653 dns-udp-responses-sent-ipv6: 490509644 dns-tcp-responses-sent-ipv4: 21973276 dns-tcp-responses-sent-ipv6: 1128287