--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9261549921 dns-udp-queries-received-ipv6: 1247330397 dns-tcp-queries-received-ipv4: 833378090 dns-tcp-queries-received-ipv6: 117054314 dns-udp-responses-sent-ipv4: 8386092892 dns-udp-responses-sent-ipv6: 1206286606 dns-tcp-responses-sent-ipv4: 563229488 dns-tcp-responses-sent-ipv6: 99342793