--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8430462951 dns-udp-queries-received-ipv6: 1216483934 dns-tcp-queries-received-ipv4: 729519848 dns-tcp-queries-received-ipv6: 129650106 dns-udp-responses-sent-ipv4: 7623386621 dns-udp-responses-sent-ipv6: 1142404146 dns-tcp-responses-sent-ipv4: 503845083 dns-tcp-responses-sent-ipv6: 111463982