--- version: rssac002v3 service: j.root-servers.net start-period: '2021-10-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5880914400 dns-udp-queries-received-ipv6: 1200899156 dns-tcp-queries-received-ipv4: 426594117 dns-tcp-queries-received-ipv6: 80455924 dns-udp-responses-sent-ipv4: 5511442267 dns-udp-responses-sent-ipv6: 1192262895 dns-tcp-responses-sent-ipv4: 308347055 dns-tcp-responses-sent-ipv6: 80202413