--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4349694985 dns-udp-queries-received-ipv6: 505037271 dns-tcp-queries-received-ipv4: 21616825 dns-tcp-queries-received-ipv6: 1040194 dns-udp-responses-sent-ipv4: 4348062231 dns-udp-responses-sent-ipv6: 504540468 dns-tcp-responses-sent-ipv4: 21959105 dns-tcp-responses-sent-ipv6: 1050136