--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6017651945 dns-udp-queries-received-ipv6: 506475600 dns-tcp-queries-received-ipv4: 19695315 dns-tcp-queries-received-ipv6: 935326 dns-udp-responses-sent-ipv4: 5904801015 dns-udp-responses-sent-ipv6: 506095316 dns-tcp-responses-sent-ipv4: 19933641 dns-tcp-responses-sent-ipv6: 943822