--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5591163785 dns-udp-queries-received-ipv6: 1161022311 dns-tcp-queries-received-ipv4: 431826229 dns-tcp-queries-received-ipv6: 74624099 dns-udp-responses-sent-ipv4: 5229210977 dns-udp-responses-sent-ipv6: 1152312902 dns-tcp-responses-sent-ipv4: 313878139 dns-tcp-responses-sent-ipv6: 74645274