--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4867151626 dns-udp-queries-received-ipv6: 441657216 dns-tcp-queries-received-ipv4: 201411292 dns-tcp-queries-received-ipv6: 16699317 dns-udp-responses-sent-ipv4: 4762405764 dns-udp-responses-sent-ipv6: 438171751 dns-tcp-responses-sent-ipv4: 169842928 dns-tcp-responses-sent-ipv6: 16702468