--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5619686576 dns-udp-queries-received-ipv6: 1380028148 dns-tcp-queries-received-ipv4: 383883811 dns-tcp-queries-received-ipv6: 43563551 dns-udp-responses-sent-ipv4: 5219880377 dns-udp-responses-sent-ipv6: 1359139288 dns-tcp-responses-sent-ipv4: 253107716 dns-tcp-responses-sent-ipv6: 43501322