--- version: rssac002v3 service: i.root-servers.net start-period: '2022-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6784004274 dns-udp-queries-received-ipv6: 2119143461 dns-tcp-queries-received-ipv4: 724072971 dns-tcp-queries-received-ipv6: 97525799 dns-udp-responses-sent-ipv4: 5848312200 dns-udp-responses-sent-ipv6: 1964755421 dns-tcp-responses-sent-ipv4: 708751780 dns-tcp-responses-sent-ipv6: 88551131