--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4490358892 dns-udp-queries-received-ipv6: 524469236 dns-tcp-queries-received-ipv4: 250060330 dns-tcp-queries-received-ipv6: 18831355 dns-udp-responses-sent-ipv4: 4295077882 dns-udp-responses-sent-ipv6: 520438437 dns-tcp-responses-sent-ipv4: 184746606 dns-tcp-responses-sent-ipv6: 18741705