--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5956346293 dns-udp-queries-received-ipv6: 1323094809 dns-tcp-queries-received-ipv4: 404505165 dns-tcp-queries-received-ipv6: 117082549 dns-udp-responses-sent-ipv4: 5613293715 dns-udp-responses-sent-ipv6: 1308328629 dns-tcp-responses-sent-ipv4: 309014029 dns-tcp-responses-sent-ipv6: 112731469