--- version: rssac002v3 service: i.root-servers.net start-period: '2017-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6752908003 dns-udp-queries-received-ipv6: 824035798 dns-tcp-queries-received-ipv4: 109719759 dns-tcp-queries-received-ipv6: 7737085 dns-udp-responses-sent-ipv4: 6797120824 dns-udp-responses-sent-ipv6: 825434283 dns-tcp-responses-sent-ipv4: 111802575 dns-tcp-responses-sent-ipv6: 7813144