--- version: rssac002v3 service: j.root-servers.net start-period: '2021-04-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6080281365 dns-udp-queries-received-ipv6: 1264048673 dns-tcp-queries-received-ipv4: 519027510 dns-tcp-queries-received-ipv6: 104651960 dns-udp-responses-sent-ipv4: 5641736648 dns-udp-responses-sent-ipv6: 1259131345 dns-tcp-responses-sent-ipv4: 362303616 dns-tcp-responses-sent-ipv6: 104913149