--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4438547142 dns-udp-queries-received-ipv6: 418723852 dns-tcp-queries-received-ipv4: 146248394 dns-tcp-queries-received-ipv6: 13572709 dns-udp-responses-sent-ipv4: 4347628632 dns-udp-responses-sent-ipv6: 416068353 dns-tcp-responses-sent-ipv4: 124047749 dns-tcp-responses-sent-ipv6: 13606923