--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6891450379 dns-udp-queries-received-ipv6: 813401614 dns-tcp-queries-received-ipv4: 79575277 dns-tcp-queries-received-ipv6: 7915000 dns-udp-responses-sent-ipv4: 6904740253 dns-udp-responses-sent-ipv6: 812916369 dns-tcp-responses-sent-ipv4: 81837156 dns-tcp-responses-sent-ipv6: 7954046