--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5531652821 dns-udp-queries-received-ipv6: 1171820516 dns-tcp-queries-received-ipv4: 414343043 dns-tcp-queries-received-ipv6: 73108907 dns-udp-responses-sent-ipv4: 5194255301 dns-udp-responses-sent-ipv6: 1162269234 dns-tcp-responses-sent-ipv4: 305112480 dns-tcp-responses-sent-ipv6: 73088908