--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6609155010 dns-udp-queries-received-ipv6: 1864613346 dns-tcp-queries-received-ipv4: 713595415 dns-tcp-queries-received-ipv6: 86121952 dns-udp-responses-sent-ipv4: 5589198766 dns-udp-responses-sent-ipv6: 1665193498 dns-tcp-responses-sent-ipv4: 693189153 dns-tcp-responses-sent-ipv6: 71044668