--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6374979134 dns-udp-queries-received-ipv6: 1297279770 dns-tcp-queries-received-ipv4: 577835929 dns-tcp-queries-received-ipv6: 95326213 dns-udp-responses-sent-ipv4: 5862066101 dns-udp-responses-sent-ipv6: 1286420942 dns-tcp-responses-sent-ipv4: 395179296 dns-tcp-responses-sent-ipv6: 92929151