--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5627883647 dns-udp-queries-received-ipv6: 565870566 dns-tcp-queries-received-ipv4: 31068610 dns-tcp-queries-received-ipv6: 1526739 dns-udp-responses-sent-ipv4: 5560179318 dns-udp-responses-sent-ipv6: 565720515 dns-tcp-responses-sent-ipv4: 31994745 dns-tcp-responses-sent-ipv6: 1540469