--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7462819355 dns-udp-queries-received-ipv6: 1214428752 dns-tcp-queries-received-ipv4: 662526094 dns-tcp-queries-received-ipv6: 74944217 dns-udp-responses-sent-ipv4: 6807405378 dns-udp-responses-sent-ipv6: 1169614138 dns-tcp-responses-sent-ipv4: 467674803 dns-tcp-responses-sent-ipv6: 54889892