--- version: rssac002v3 service: j.root-servers.net start-period: '2019-01-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6303707961 dns-udp-queries-received-ipv6: 867576153 dns-tcp-queries-received-ipv4: 319504570 dns-tcp-queries-received-ipv6: 84850192 dns-udp-responses-sent-ipv4: 6023040061 dns-udp-responses-sent-ipv6: 820141177 dns-tcp-responses-sent-ipv4: 225988103 dns-tcp-responses-sent-ipv6: 59320241