--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6436357985 dns-udp-queries-received-ipv6: 1229105155 dns-tcp-queries-received-ipv4: 609791090 dns-tcp-queries-received-ipv6: 90552215 dns-udp-responses-sent-ipv4: 5869301163 dns-udp-responses-sent-ipv6: 1225595932 dns-tcp-responses-sent-ipv4: 420106069 dns-tcp-responses-sent-ipv6: 90523894