--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4655199460 dns-udp-queries-received-ipv6: 525200217 dns-tcp-queries-received-ipv4: 237256847 dns-tcp-queries-received-ipv6: 18591076 dns-udp-responses-sent-ipv4: 4481063897 dns-udp-responses-sent-ipv6: 520158181 dns-tcp-responses-sent-ipv4: 185719166 dns-tcp-responses-sent-ipv6: 18664183