--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7396824688 dns-udp-queries-received-ipv6: 1301437678 dns-tcp-queries-received-ipv4: 479886697 dns-tcp-queries-received-ipv6: 111502935 dns-udp-responses-sent-ipv4: 7020910011 dns-udp-responses-sent-ipv6: 1229837919 dns-tcp-responses-sent-ipv4: 360268253 dns-tcp-responses-sent-ipv6: 77017730