--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4701452882 dns-udp-queries-received-ipv6: 351709616 dns-tcp-queries-received-ipv4: 164775789 dns-tcp-queries-received-ipv6: 13588233 dns-udp-responses-sent-ipv4: 4571810089 dns-udp-responses-sent-ipv6: 348111995 dns-tcp-responses-sent-ipv4: 139832172 dns-tcp-responses-sent-ipv6: 13608759