--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7313423160 dns-udp-queries-received-ipv6: 1592119315 dns-tcp-queries-received-ipv4: 512872124 dns-tcp-queries-received-ipv6: 223423954 dns-udp-responses-sent-ipv4: 6882027581 dns-udp-responses-sent-ipv6: 1406199065 dns-tcp-responses-sent-ipv4: 374565316 dns-tcp-responses-sent-ipv6: 133072422