--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5678556611 dns-udp-queries-received-ipv6: 1410459179 dns-tcp-queries-received-ipv4: 336471316 dns-tcp-queries-received-ipv6: 95945236 dns-udp-responses-sent-ipv4: 5444001791 dns-udp-responses-sent-ipv6: 1406087478 dns-tcp-responses-sent-ipv4: 280262803 dns-tcp-responses-sent-ipv6: 95508027