--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7542418277 dns-udp-queries-received-ipv6: 1332055440 dns-tcp-queries-received-ipv4: 474684117 dns-tcp-queries-received-ipv6: 106057889 dns-udp-responses-sent-ipv4: 7189265068 dns-udp-responses-sent-ipv6: 1268904181 dns-tcp-responses-sent-ipv4: 360780564 dns-tcp-responses-sent-ipv6: 76357155