--- version: rssac002v3 service: j.root-servers.net start-period: '2020-04-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9711269529 dns-udp-queries-received-ipv6: 1586009263 dns-tcp-queries-received-ipv4: 810679006 dns-tcp-queries-received-ipv6: 210479455 dns-udp-responses-sent-ipv4: 8990016699 dns-udp-responses-sent-ipv6: 1505372746 dns-tcp-responses-sent-ipv4: 604528959 dns-tcp-responses-sent-ipv6: 177490217