--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6304424093 dns-udp-queries-received-ipv6: 1427597219 dns-tcp-queries-received-ipv4: 391143046 dns-tcp-queries-received-ipv6: 48585604 dns-udp-responses-sent-ipv4: 5871122028 dns-udp-responses-sent-ipv6: 1405252536 dns-tcp-responses-sent-ipv4: 261317772 dns-tcp-responses-sent-ipv6: 48443675