--- version: rssac002v4 service: j.root-servers.net start-period: '2023-07-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6813191173 dns-udp-queries-received-ipv6: 1757955960 dns-tcp-queries-received-ipv4: 216866542 dns-tcp-queries-received-ipv6: 51501328 dns-udp-responses-sent-ipv4: 6599337999 dns-udp-responses-sent-ipv6: 1750444179 dns-tcp-responses-sent-ipv4: 176859248 dns-tcp-responses-sent-ipv6: 49486747