--- version: rssac002v3 service: j.root-servers.net start-period: '2019-01-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6679891099 dns-udp-queries-received-ipv6: 873660512 dns-tcp-queries-received-ipv4: 460758230 dns-tcp-queries-received-ipv6: 70341469 dns-udp-responses-sent-ipv4: 6274242185 dns-udp-responses-sent-ipv6: 830057577 dns-tcp-responses-sent-ipv4: 302538602 dns-tcp-responses-sent-ipv6: 47319032