--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4964657900 dns-udp-queries-received-ipv6: 541673363 dns-tcp-queries-received-ipv4: 269156580 dns-tcp-queries-received-ipv6: 18470976 dns-udp-responses-sent-ipv4: 4749129677 dns-udp-responses-sent-ipv6: 536473594 dns-tcp-responses-sent-ipv4: 207966102 dns-tcp-responses-sent-ipv6: 18357020