--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6616720120 dns-udp-queries-received-ipv6: 1815499968 dns-tcp-queries-received-ipv4: 337413597 dns-tcp-queries-received-ipv6: 92464621 dns-udp-responses-sent-ipv4: 6245310578 dns-udp-responses-sent-ipv6: 1794218144 dns-tcp-responses-sent-ipv4: 252135768 dns-tcp-responses-sent-ipv6: 84235005