--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4395076433 dns-udp-queries-received-ipv6: 428468870 dns-tcp-queries-received-ipv4: 163589156 dns-tcp-queries-received-ipv6: 12690774 dns-udp-responses-sent-ipv4: 4312638734 dns-udp-responses-sent-ipv6: 428011233 dns-tcp-responses-sent-ipv4: 142222525 dns-tcp-responses-sent-ipv6: 12787688