--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 84576891 dns-udp-queries-received-ipv6: 19213169 dns-tcp-queries-received-ipv4: 1548736 dns-tcp-queries-received-ipv6: 44560 dns-udp-responses-sent-ipv4: 85041430 dns-udp-responses-sent-ipv6: 19213161 dns-tcp-responses-sent-ipv4: 1574367 dns-tcp-responses-sent-ipv6: 44607