--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6294810879 dns-udp-queries-received-ipv6: 1611380562 dns-tcp-queries-received-ipv4: 699881265 dns-tcp-queries-received-ipv6: 66778699 dns-udp-responses-sent-ipv4: 5298214045 dns-udp-responses-sent-ipv6: 1469559463 dns-tcp-responses-sent-ipv4: 682446953 dns-tcp-responses-sent-ipv6: 55286279