--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6646147230 dns-udp-queries-received-ipv6: 1826878616 dns-tcp-queries-received-ipv4: 335925623 dns-tcp-queries-received-ipv6: 86655478 dns-udp-responses-sent-ipv4: 6273197138 dns-udp-responses-sent-ipv6: 1811785518 dns-tcp-responses-sent-ipv4: 247354988 dns-tcp-responses-sent-ipv6: 81265645