--- version: rssac002v3 service: i.root-servers.net start-period: '2018-08-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4912164196 dns-udp-queries-received-ipv6: 952553959 dns-tcp-queries-received-ipv4: 123784904 dns-tcp-queries-received-ipv6: 24720834 dns-udp-responses-sent-ipv4: 4874526766 dns-udp-responses-sent-ipv6: 951578392 dns-tcp-responses-sent-ipv4: 120293869 dns-tcp-responses-sent-ipv6: 24295955