--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5762700221 dns-udp-queries-received-ipv6: 1073179981 dns-tcp-queries-received-ipv4: 591870147 dns-tcp-queries-received-ipv6: 43575053 dns-udp-responses-sent-ipv4: 4931338281 dns-udp-responses-sent-ipv6: 938246923 dns-tcp-responses-sent-ipv4: 586407820 dns-tcp-responses-sent-ipv6: 37839986