--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6144092426 dns-udp-queries-received-ipv6: 1420507926 dns-tcp-queries-received-ipv4: 464337254 dns-tcp-queries-received-ipv6: 102769019 dns-udp-responses-sent-ipv4: 5764555453 dns-udp-responses-sent-ipv6: 1415342911 dns-tcp-responses-sent-ipv4: 339418240 dns-tcp-responses-sent-ipv6: 102867273