--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7158747277 dns-udp-queries-received-ipv6: 1040253335 dns-tcp-queries-received-ipv4: 468245206 dns-tcp-queries-received-ipv6: 68603658 dns-udp-responses-sent-ipv4: 6749471764 dns-udp-responses-sent-ipv6: 1002997410 dns-tcp-responses-sent-ipv4: 364959158 dns-tcp-responses-sent-ipv6: 51461993