--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8038582757 dns-udp-queries-received-ipv6: 1651868830 dns-tcp-queries-received-ipv4: 580082489 dns-tcp-queries-received-ipv6: 246478734 dns-udp-responses-sent-ipv4: 7504024002 dns-udp-responses-sent-ipv6: 1440828307 dns-tcp-responses-sent-ipv4: 427243640 dns-tcp-responses-sent-ipv6: 142958377