--- version: rssac002v3 service: j.root-servers.net start-period: '2019-02-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6712067660 dns-udp-queries-received-ipv6: 771784456 dns-tcp-queries-received-ipv4: 508998267 dns-tcp-queries-received-ipv6: 38344738 dns-udp-responses-sent-ipv4: 6320336722 dns-udp-responses-sent-ipv6: 769457917 dns-tcp-responses-sent-ipv4: 377091511 dns-tcp-responses-sent-ipv6: 36714902