--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7237027071 dns-udp-queries-received-ipv6: 1579111145 dns-tcp-queries-received-ipv4: 652383617 dns-tcp-queries-received-ipv6: 143824714 dns-udp-responses-sent-ipv4: 6598489851 dns-udp-responses-sent-ipv6: 1567676443 dns-tcp-responses-sent-ipv4: 443336636 dns-tcp-responses-sent-ipv6: 140176624