--- version: rssac002v3 service: i.root-servers.net start-period: '2018-08-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6893730139 dns-udp-queries-received-ipv6: 1230787017 dns-tcp-queries-received-ipv4: 142123615 dns-tcp-queries-received-ipv6: 24323635 dns-udp-responses-sent-ipv4: 6962011468 dns-udp-responses-sent-ipv6: 1232755629 dns-tcp-responses-sent-ipv4: 139366132 dns-tcp-responses-sent-ipv6: 24100573