--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7006080062 dns-udp-queries-received-ipv6: 1175830221 dns-tcp-queries-received-ipv4: 342707384 dns-tcp-queries-received-ipv6: 161893683 dns-udp-responses-sent-ipv4: 6685423135 dns-udp-responses-sent-ipv6: 1056093261 dns-tcp-responses-sent-ipv4: 307146518 dns-tcp-responses-sent-ipv6: 100305879