--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4890543299 dns-udp-queries-received-ipv6: 1086988676 dns-tcp-queries-received-ipv4: 565175744 dns-tcp-queries-received-ipv6: 128546519 dns-udp-responses-sent-ipv4: 4236582748 dns-udp-responses-sent-ipv6: 983475819 dns-tcp-responses-sent-ipv4: 537163487 dns-tcp-responses-sent-ipv6: 125056842