--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4570352926 dns-udp-queries-received-ipv6: 463088125 dns-tcp-queries-received-ipv4: 29863049 dns-tcp-queries-received-ipv6: 1086703 dns-udp-responses-sent-ipv4: 4547380418 dns-udp-responses-sent-ipv6: 463405439 dns-tcp-responses-sent-ipv4: 30205487 dns-tcp-responses-sent-ipv6: 1097096