--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4055300980 dns-udp-queries-received-ipv6: 503139240 dns-tcp-queries-received-ipv4: 197152591 dns-tcp-queries-received-ipv6: 17686370 dns-udp-responses-sent-ipv4: 3910343304 dns-udp-responses-sent-ipv6: 501400260 dns-tcp-responses-sent-ipv4: 149761958 dns-tcp-responses-sent-ipv6: 17641803