--- version: rssac002v3 service: j.root-servers.net start-period: '2021-10-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5745427873 dns-udp-queries-received-ipv6: 1221293655 dns-tcp-queries-received-ipv4: 423221785 dns-tcp-queries-received-ipv6: 120336084 dns-udp-responses-sent-ipv4: 5394764804 dns-udp-responses-sent-ipv6: 1215285029 dns-tcp-responses-sent-ipv4: 309809082 dns-tcp-responses-sent-ipv6: 123246365