--- version: rssac002v3 service: j.root-servers.net start-period: '2020-02-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9487685347 dns-udp-queries-received-ipv6: 1423658037 dns-tcp-queries-received-ipv4: 704205481 dns-tcp-queries-received-ipv6: 113262229 dns-udp-responses-sent-ipv4: 8763086806 dns-udp-responses-sent-ipv6: 1376719918 dns-tcp-responses-sent-ipv4: 517466870 dns-tcp-responses-sent-ipv6: 113055233