--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6325029347 dns-udp-queries-received-ipv6: 1513141878 dns-tcp-queries-received-ipv4: 430798970 dns-tcp-queries-received-ipv6: 91295743 dns-udp-responses-sent-ipv4: 5813624525 dns-udp-responses-sent-ipv6: 1478211092 dns-tcp-responses-sent-ipv4: 304564669 dns-tcp-responses-sent-ipv6: 89562383