--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6358353784 dns-udp-queries-received-ipv6: 1357299446 dns-tcp-queries-received-ipv4: 409287041 dns-tcp-queries-received-ipv6: 49360110 dns-udp-responses-sent-ipv4: 5935789364 dns-udp-responses-sent-ipv6: 1345159706 dns-tcp-responses-sent-ipv4: 275926434 dns-tcp-responses-sent-ipv6: 49071174