--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6960791948 dns-udp-queries-received-ipv6: 1614240982 dns-tcp-queries-received-ipv4: 634609039 dns-tcp-queries-received-ipv6: 196162393 dns-udp-responses-sent-ipv4: 6406436829 dns-udp-responses-sent-ipv6: 1592032305 dns-tcp-responses-sent-ipv4: 444963744 dns-tcp-responses-sent-ipv6: 221175578