--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9328135583 dns-udp-queries-received-ipv6: 1291455296 dns-tcp-queries-received-ipv4: 680988963 dns-tcp-queries-received-ipv6: 114604741 dns-udp-responses-sent-ipv4: 8626293642 dns-udp-responses-sent-ipv6: 1243870078 dns-tcp-responses-sent-ipv4: 513749120 dns-tcp-responses-sent-ipv6: 100415130