--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5807526829 dns-udp-queries-received-ipv6: 1377432759 dns-tcp-queries-received-ipv4: 387397166 dns-tcp-queries-received-ipv6: 47411770 dns-udp-responses-sent-ipv4: 5391775868 dns-udp-responses-sent-ipv6: 1360464749 dns-tcp-responses-sent-ipv4: 256053668 dns-tcp-responses-sent-ipv6: 47159759