--- version: rssac002v3 service: j.root-servers.net start-period: '2017-07-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4926783864 dns-udp-queries-received-ipv6: 520848944 dns-tcp-queries-received-ipv4: 171981734 dns-tcp-queries-received-ipv6: 11128691 dns-udp-responses-sent-ipv4: 4830705749 dns-udp-responses-sent-ipv6: 518846469 dns-tcp-responses-sent-ipv4: 139544806 dns-tcp-responses-sent-ipv6: 11192921