--- version: rssac002v3 service: j.root-servers.net start-period: '2019-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6261533002 dns-udp-queries-received-ipv6: 715846768 dns-tcp-queries-received-ipv4: 397368615 dns-tcp-queries-received-ipv6: 37650039 dns-udp-responses-sent-ipv4: 5923854572 dns-udp-responses-sent-ipv6: 713596612 dns-tcp-responses-sent-ipv4: 317348670 dns-tcp-responses-sent-ipv6: 35336023