--- version: rssac002v4 service: j.root-servers.net start-period: '2023-06-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6242614806 dns-udp-queries-received-ipv6: 1790700052 dns-tcp-queries-received-ipv4: 225905477 dns-tcp-queries-received-ipv6: 84595716 dns-udp-responses-sent-ipv4: 6011558271 dns-udp-responses-sent-ipv6: 1781694264 dns-tcp-responses-sent-ipv4: 178213564 dns-tcp-responses-sent-ipv6: 82076652