--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6906681309 dns-udp-queries-received-ipv6: 882847857 dns-tcp-queries-received-ipv4: 396501538 dns-tcp-queries-received-ipv6: 25355439 dns-udp-responses-sent-ipv4: 6586462216 dns-udp-responses-sent-ipv6: 876595588 dns-tcp-responses-sent-ipv4: 279667318 dns-tcp-responses-sent-ipv6: 23583252