--- version: rssac002v3 service: j.root-servers.net start-period: '2018-12-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6573043985 dns-udp-queries-received-ipv6: 832987979 dns-tcp-queries-received-ipv4: 417393740 dns-tcp-queries-received-ipv6: 54063071 dns-udp-responses-sent-ipv4: 6038590463 dns-udp-responses-sent-ipv6: 797769740 dns-tcp-responses-sent-ipv4: 285251716 dns-tcp-responses-sent-ipv6: 38760148