--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5630704374 dns-udp-queries-received-ipv6: 993237416 dns-tcp-queries-received-ipv4: 530299860 dns-tcp-queries-received-ipv6: 53116499 dns-udp-responses-sent-ipv4: 4868779411 dns-udp-responses-sent-ipv6: 916356829 dns-tcp-responses-sent-ipv4: 504737941 dns-tcp-responses-sent-ipv6: 39101313