--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7934486013 dns-udp-queries-received-ipv6: 1307272657 dns-tcp-queries-received-ipv4: 566343222 dns-tcp-queries-received-ipv6: 82939045 dns-udp-responses-sent-ipv4: 7325610553 dns-udp-responses-sent-ipv6: 1257118206 dns-tcp-responses-sent-ipv4: 410328423 dns-tcp-responses-sent-ipv6: 58822492