--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4777539390 dns-udp-queries-received-ipv6: 424937450 dns-tcp-queries-received-ipv4: 177418877 dns-tcp-queries-received-ipv6: 15279858 dns-udp-responses-sent-ipv4: 4676327620 dns-udp-responses-sent-ipv6: 422070229 dns-tcp-responses-sent-ipv4: 154390330 dns-tcp-responses-sent-ipv6: 15268658