--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5499687559 dns-udp-queries-received-ipv6: 567544984 dns-tcp-queries-received-ipv4: 258657005 dns-tcp-queries-received-ipv6: 18348051 dns-udp-responses-sent-ipv4: 5311350207 dns-udp-responses-sent-ipv6: 558349540 dns-tcp-responses-sent-ipv4: 201712933 dns-tcp-responses-sent-ipv6: 18297989