--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4012449953 dns-udp-queries-received-ipv6: 478686227 dns-tcp-queries-received-ipv4: 20253104 dns-tcp-queries-received-ipv6: 989123 dns-udp-responses-sent-ipv4: 4005457737 dns-udp-responses-sent-ipv6: 478154890 dns-tcp-responses-sent-ipv4: 20525426 dns-tcp-responses-sent-ipv6: 996688