--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5193921999 dns-udp-queries-received-ipv6: 408922571 dns-tcp-queries-received-ipv4: 141382330 dns-tcp-queries-received-ipv6: 12369571 dns-udp-responses-sent-ipv4: 5111169395 dns-udp-responses-sent-ipv6: 409132216 dns-tcp-responses-sent-ipv4: 119425052 dns-tcp-responses-sent-ipv6: 12533910