--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5422279826 dns-udp-queries-received-ipv6: 1234589300 dns-tcp-queries-received-ipv4: 631870470 dns-tcp-queries-received-ipv6: 144174622 dns-udp-responses-sent-ipv4: 4659961039 dns-udp-responses-sent-ipv6: 1109534235 dns-tcp-responses-sent-ipv4: 600305045 dns-tcp-responses-sent-ipv6: 140812888