--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5109633263 dns-udp-queries-received-ipv6: 521434912 dns-tcp-queries-received-ipv4: 263248036 dns-tcp-queries-received-ipv6: 17765674 dns-udp-responses-sent-ipv4: 4928756586 dns-udp-responses-sent-ipv6: 512557962 dns-tcp-responses-sent-ipv4: 203747268 dns-tcp-responses-sent-ipv6: 17829503