--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7002461178 dns-udp-queries-received-ipv6: 1408378719 dns-tcp-queries-received-ipv4: 606046027 dns-tcp-queries-received-ipv6: 123895987 dns-udp-responses-sent-ipv4: 6442500457 dns-udp-responses-sent-ipv6: 1385007250 dns-tcp-responses-sent-ipv4: 417664602 dns-tcp-responses-sent-ipv6: 115101229