--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7061577788 dns-udp-queries-received-ipv6: 1246498846 dns-tcp-queries-received-ipv4: 642869208 dns-tcp-queries-received-ipv6: 74877282 dns-udp-responses-sent-ipv4: 6441976033 dns-udp-responses-sent-ipv6: 1202626171 dns-tcp-responses-sent-ipv4: 452100906 dns-tcp-responses-sent-ipv6: 55181651