--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5214081924 dns-udp-queries-received-ipv6: 552842090 dns-tcp-queries-received-ipv4: 28646464 dns-tcp-queries-received-ipv6: 1179289 dns-udp-responses-sent-ipv4: 5219498218 dns-udp-responses-sent-ipv6: 553904724 dns-tcp-responses-sent-ipv4: 29165037 dns-tcp-responses-sent-ipv6: 1193081