--- version: rssac002v3 service: j.root-servers.net start-period: '2020-04-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 10096342153 dns-udp-queries-received-ipv6: 1439214194 dns-tcp-queries-received-ipv4: 818669155 dns-tcp-queries-received-ipv6: 157615820 dns-udp-responses-sent-ipv4: 9340284003 dns-udp-responses-sent-ipv6: 1413179417 dns-tcp-responses-sent-ipv4: 610961853 dns-tcp-responses-sent-ipv6: 150366916