--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9031859029 dns-udp-queries-received-ipv6: 1196404267 dns-tcp-queries-received-ipv4: 772916397 dns-tcp-queries-received-ipv6: 109274571 dns-udp-responses-sent-ipv4: 8192438191 dns-udp-responses-sent-ipv6: 1161679996 dns-tcp-responses-sent-ipv4: 541819510 dns-tcp-responses-sent-ipv6: 96586786