--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4724156352 dns-udp-queries-received-ipv6: 394024193 dns-tcp-queries-received-ipv4: 183282426 dns-tcp-queries-received-ipv6: 16105323 dns-udp-responses-sent-ipv4: 4596642243 dns-udp-responses-sent-ipv6: 391297500 dns-tcp-responses-sent-ipv4: 149763249 dns-tcp-responses-sent-ipv6: 16097000