--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6260174840 dns-udp-queries-received-ipv6: 1295124758 dns-tcp-queries-received-ipv4: 541237283 dns-tcp-queries-received-ipv6: 98459331 dns-udp-responses-sent-ipv4: 5790671077 dns-udp-responses-sent-ipv6: 1290842982 dns-tcp-responses-sent-ipv4: 382440675 dns-tcp-responses-sent-ipv6: 98257813