--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6337010710 dns-udp-queries-received-ipv6: 1438607796 dns-tcp-queries-received-ipv4: 536633077 dns-tcp-queries-received-ipv6: 109885451 dns-udp-responses-sent-ipv4: 5853023315 dns-udp-responses-sent-ipv6: 1432959643 dns-tcp-responses-sent-ipv4: 378049839 dns-tcp-responses-sent-ipv6: 109755662