--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5167192039 dns-udp-queries-received-ipv6: 565018546 dns-tcp-queries-received-ipv4: 215294114 dns-tcp-queries-received-ipv6: 17414025 dns-udp-responses-sent-ipv4: 5053705557 dns-udp-responses-sent-ipv6: 557929534 dns-tcp-responses-sent-ipv4: 178775239 dns-tcp-responses-sent-ipv6: 17413495