--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5950011360 dns-udp-queries-received-ipv6: 1160953881 dns-tcp-queries-received-ipv4: 129705853 dns-tcp-queries-received-ipv6: 26418914 dns-udp-responses-sent-ipv4: 6005358365 dns-udp-responses-sent-ipv6: 1163313844 dns-tcp-responses-sent-ipv4: 127459070 dns-tcp-responses-sent-ipv6: 25657401