--- version: rssac002v3 service: i.root-servers.net start-period: '2022-02-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6745485207 dns-udp-queries-received-ipv6: 1636220195 dns-tcp-queries-received-ipv4: 679140395 dns-tcp-queries-received-ipv6: 82602250 dns-udp-responses-sent-ipv4: 5836597137 dns-udp-responses-sent-ipv6: 1519342427 dns-tcp-responses-sent-ipv4: 670693923 dns-tcp-responses-sent-ipv6: 68466875