--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7588623077 dns-udp-queries-received-ipv6: 1286639500 dns-tcp-queries-received-ipv4: 679560606 dns-tcp-queries-received-ipv6: 76446713 dns-udp-responses-sent-ipv4: 6922097646 dns-udp-responses-sent-ipv6: 1242289857 dns-tcp-responses-sent-ipv4: 479615596 dns-tcp-responses-sent-ipv6: 56394005