--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7481473372 dns-udp-queries-received-ipv6: 1354415848 dns-tcp-queries-received-ipv4: 457580249 dns-tcp-queries-received-ipv6: 109389070 dns-udp-responses-sent-ipv4: 7107369532 dns-udp-responses-sent-ipv6: 1283640014 dns-tcp-responses-sent-ipv4: 350747917 dns-tcp-responses-sent-ipv6: 75924748