--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5647183205 dns-udp-queries-received-ipv6: 1277789606 dns-tcp-queries-received-ipv4: 435823859 dns-tcp-queries-received-ipv6: 54927037 dns-udp-responses-sent-ipv4: 5186284182 dns-udp-responses-sent-ipv6: 1253381757 dns-tcp-responses-sent-ipv4: 285177703 dns-tcp-responses-sent-ipv6: 54509236