--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5597609322 dns-udp-queries-received-ipv6: 570941786 dns-tcp-queries-received-ipv4: 285113514 dns-tcp-queries-received-ipv6: 19555198 dns-udp-responses-sent-ipv4: 5392438190 dns-udp-responses-sent-ipv6: 569244535 dns-tcp-responses-sent-ipv4: 221502431 dns-tcp-responses-sent-ipv6: 19493676