--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5701416362 dns-udp-queries-received-ipv6: 639153548 dns-tcp-queries-received-ipv4: 292495042 dns-tcp-queries-received-ipv6: 19565098 dns-udp-responses-sent-ipv4: 5481116699 dns-udp-responses-sent-ipv6: 637094803 dns-tcp-responses-sent-ipv4: 225514725 dns-tcp-responses-sent-ipv6: 19457820