--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5802077011 dns-udp-queries-received-ipv6: 567766288 dns-tcp-queries-received-ipv4: 34225587 dns-tcp-queries-received-ipv6: 1490219 dns-udp-responses-sent-ipv4: 5726576661 dns-udp-responses-sent-ipv6: 567540657 dns-tcp-responses-sent-ipv4: 35077625 dns-tcp-responses-sent-ipv6: 1501217