--- version: rssac002v3 service: j.root-servers.net start-period: '2019-01-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7124785829 dns-udp-queries-received-ipv6: 916171955 dns-tcp-queries-received-ipv4: 505590602 dns-tcp-queries-received-ipv6: 98361644 dns-udp-responses-sent-ipv4: 6702854183 dns-udp-responses-sent-ipv6: 855998514 dns-tcp-responses-sent-ipv4: 344294480 dns-tcp-responses-sent-ipv6: 68432715