--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7920188644 dns-udp-queries-received-ipv6: 1300050681 dns-tcp-queries-received-ipv4: 694417346 dns-tcp-queries-received-ipv6: 75874477 dns-udp-responses-sent-ipv4: 7238720417 dns-udp-responses-sent-ipv6: 1255592268 dns-tcp-responses-sent-ipv4: 485586480 dns-tcp-responses-sent-ipv6: 55726232