--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8888237480 dns-udp-queries-received-ipv6: 1134472710 dns-tcp-queries-received-ipv4: 758543437 dns-tcp-queries-received-ipv6: 106589155 dns-udp-responses-sent-ipv4: 8033669522 dns-udp-responses-sent-ipv6: 1106185241 dns-tcp-responses-sent-ipv4: 543741109 dns-tcp-responses-sent-ipv6: 94603472