--- version: rssac002v3 service: j.root-servers.net start-period: '2020-02-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9966690472 dns-udp-queries-received-ipv6: 1526448753 dns-tcp-queries-received-ipv4: 714232819 dns-tcp-queries-received-ipv6: 88008152 dns-udp-responses-sent-ipv4: 9178511472 dns-udp-responses-sent-ipv6: 1458184314 dns-tcp-responses-sent-ipv4: 513952178 dns-tcp-responses-sent-ipv6: 87147663