--- version: rssac002v3 service: j.root-servers.net start-period: '2019-01-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6969494734 dns-udp-queries-received-ipv6: 881335416 dns-tcp-queries-received-ipv4: 469352187 dns-tcp-queries-received-ipv6: 92014177 dns-udp-responses-sent-ipv4: 6582885624 dns-udp-responses-sent-ipv6: 825427748 dns-tcp-responses-sent-ipv4: 327966787 dns-tcp-responses-sent-ipv6: 64770145