--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5562906200 dns-udp-queries-received-ipv6: 665551947 dns-tcp-queries-received-ipv4: 275184401 dns-tcp-queries-received-ipv6: 22262236 dns-udp-responses-sent-ipv4: 5342506216 dns-udp-responses-sent-ipv6: 663593079 dns-tcp-responses-sent-ipv4: 209447091 dns-tcp-responses-sent-ipv6: 22074016