--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7827478311 dns-udp-queries-received-ipv6: 1622580540 dns-tcp-queries-received-ipv4: 532236668 dns-tcp-queries-received-ipv6: 212596058 dns-udp-responses-sent-ipv4: 7383003683 dns-udp-responses-sent-ipv6: 1439960715 dns-tcp-responses-sent-ipv4: 406926486 dns-tcp-responses-sent-ipv6: 122953205