--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4702266702 dns-udp-queries-received-ipv6: 510293194 dns-tcp-queries-received-ipv4: 213043864 dns-tcp-queries-received-ipv6: 21202917 dns-udp-responses-sent-ipv4: 4581983033 dns-udp-responses-sent-ipv6: 507542468 dns-tcp-responses-sent-ipv4: 170926044 dns-tcp-responses-sent-ipv6: 20820052