--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6081150540 dns-udp-queries-received-ipv6: 1285511159 dns-tcp-queries-received-ipv4: 522941923 dns-tcp-queries-received-ipv6: 83180276 dns-udp-responses-sent-ipv4: 5558346785 dns-udp-responses-sent-ipv6: 1247896024 dns-tcp-responses-sent-ipv4: 349368278 dns-tcp-responses-sent-ipv6: 79417136