--- version: rssac002v3 service: i.root-servers.net start-period: '2021-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5317293788 dns-udp-queries-received-ipv6: 932470341 dns-tcp-queries-received-ipv4: 421981610 dns-tcp-queries-received-ipv6: 122306441 dns-udp-responses-sent-ipv4: 4572833572 dns-udp-responses-sent-ipv6: 857489323 dns-tcp-responses-sent-ipv4: 340623713 dns-tcp-responses-sent-ipv6: 115018337