--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5932145497 dns-udp-queries-received-ipv6: 1457375753 dns-tcp-queries-received-ipv4: 392217141 dns-tcp-queries-received-ipv6: 54560932 dns-udp-responses-sent-ipv4: 5524177911 dns-udp-responses-sent-ipv6: 1439096310 dns-tcp-responses-sent-ipv4: 262508288 dns-tcp-responses-sent-ipv6: 54406520