--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5690806514 dns-udp-queries-received-ipv6: 591103640 dns-tcp-queries-received-ipv4: 290780895 dns-tcp-queries-received-ipv6: 19510959 dns-udp-responses-sent-ipv4: 5474859350 dns-udp-responses-sent-ipv6: 523453789 dns-tcp-responses-sent-ipv4: 230324175 dns-tcp-responses-sent-ipv6: 19470326