--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6273006243 dns-udp-queries-received-ipv6: 1280283073 dns-tcp-queries-received-ipv4: 464245402 dns-tcp-queries-received-ipv6: 95814821 dns-udp-responses-sent-ipv4: 5884575412 dns-udp-responses-sent-ipv6: 1276849578 dns-tcp-responses-sent-ipv4: 340044928 dns-tcp-responses-sent-ipv6: 95597910