--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9147298411 dns-udp-queries-received-ipv6: 1322751051 dns-tcp-queries-received-ipv4: 645177838 dns-tcp-queries-received-ipv6: 125209916 dns-udp-responses-sent-ipv4: 8362569823 dns-udp-responses-sent-ipv6: 1266939367 dns-tcp-responses-sent-ipv4: 460239107 dns-tcp-responses-sent-ipv6: 104207672