--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8010676218 dns-udp-queries-received-ipv6: 1277945295 dns-tcp-queries-received-ipv4: 599024545 dns-tcp-queries-received-ipv6: 84391068 dns-udp-responses-sent-ipv4: 7314046679 dns-udp-responses-sent-ipv6: 1228238673 dns-tcp-responses-sent-ipv4: 430089317 dns-tcp-responses-sent-ipv6: 60616683