--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5352293078 dns-udp-queries-received-ipv6: 1142489249 dns-tcp-queries-received-ipv4: 405675701 dns-tcp-queries-received-ipv6: 69600074 dns-udp-responses-sent-ipv4: 4954798932 dns-udp-responses-sent-ipv6: 1106982333 dns-tcp-responses-sent-ipv4: 270731443 dns-tcp-responses-sent-ipv6: 66301640