--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7676319903 dns-udp-queries-received-ipv6: 1296680361 dns-tcp-queries-received-ipv4: 483019506 dns-tcp-queries-received-ipv6: 103473092 dns-udp-responses-sent-ipv4: 7301473990 dns-udp-responses-sent-ipv6: 1227206895 dns-tcp-responses-sent-ipv4: 362394554 dns-tcp-responses-sent-ipv6: 70624602