--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6606390993 dns-udp-queries-received-ipv6: 1136172801 dns-tcp-queries-received-ipv4: 342678288 dns-tcp-queries-received-ipv6: 174674500 dns-udp-responses-sent-ipv4: 6271430899 dns-udp-responses-sent-ipv6: 1002846140 dns-tcp-responses-sent-ipv4: 305662133 dns-tcp-responses-sent-ipv6: 106338945