--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7651785305 dns-udp-queries-received-ipv6: 1636576269 dns-tcp-queries-received-ipv4: 548905390 dns-tcp-queries-received-ipv6: 206112630 dns-udp-responses-sent-ipv4: 7151176161 dns-udp-responses-sent-ipv6: 1462341930 dns-tcp-responses-sent-ipv4: 380166464 dns-tcp-responses-sent-ipv6: 120992721