--- version: rssac002v4 service: j.root-servers.net start-period: '2022-02-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5733929363 dns-udp-queries-received-ipv6: 1392228303 dns-tcp-queries-received-ipv4: 401516184 dns-tcp-queries-received-ipv6: 62263025 dns-udp-responses-sent-ipv4: 5298871504 dns-udp-responses-sent-ipv6: 1359576160 dns-tcp-responses-sent-ipv4: 273175471 dns-tcp-responses-sent-ipv6: 60861737