--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7528814006 dns-udp-queries-received-ipv6: 1303675919 dns-tcp-queries-received-ipv4: 767774942 dns-tcp-queries-received-ipv6: 92165943 dns-udp-responses-sent-ipv4: 6827903893 dns-udp-responses-sent-ipv6: 1257529709 dns-tcp-responses-sent-ipv4: 542201262 dns-tcp-responses-sent-ipv6: 70896819