--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5364350551 dns-udp-queries-received-ipv6: 658487229 dns-tcp-queries-received-ipv4: 82452724 dns-tcp-queries-received-ipv6: 8885728 dns-udp-responses-sent-ipv4: 5693957866 dns-udp-responses-sent-ipv6: 657888571 dns-tcp-responses-sent-ipv4: 84031983 dns-tcp-responses-sent-ipv6: 9019974