--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9927348992 dns-udp-queries-received-ipv6: 1736545830 dns-tcp-queries-received-ipv4: 1011557605 dns-tcp-queries-received-ipv6: 246164036 dns-udp-responses-sent-ipv4: 8832181469 dns-udp-responses-sent-ipv6: 1524578862 dns-tcp-responses-sent-ipv4: 631962419 dns-tcp-responses-sent-ipv6: 142228600