--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9900699907 dns-udp-queries-received-ipv6: 2147149826 dns-tcp-queries-received-ipv4: 790593441 dns-tcp-queries-received-ipv6: 179512404 dns-udp-responses-sent-ipv4: 8880870597 dns-udp-responses-sent-ipv6: 2056727956 dns-tcp-responses-sent-ipv4: 526189243 dns-tcp-responses-sent-ipv6: 139914910