--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4467013084 dns-udp-queries-received-ipv6: 410028182 dns-tcp-queries-received-ipv4: 142423815 dns-tcp-queries-received-ipv6: 13713991 dns-udp-responses-sent-ipv4: 4385458079 dns-udp-responses-sent-ipv6: 407755925 dns-tcp-responses-sent-ipv4: 122643120 dns-tcp-responses-sent-ipv6: 13749178