--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7868032671 dns-udp-queries-received-ipv6: 1346399598 dns-tcp-queries-received-ipv4: 564325233 dns-tcp-queries-received-ipv6: 104395151 dns-udp-responses-sent-ipv4: 7429294614 dns-udp-responses-sent-ipv6: 1280518251 dns-tcp-responses-sent-ipv4: 419176012 dns-tcp-responses-sent-ipv6: 73210299