--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5533122568 dns-udp-queries-received-ipv6: 571162937 dns-tcp-queries-received-ipv4: 243759904 dns-tcp-queries-received-ipv6: 18254673 dns-udp-responses-sent-ipv4: 5365480164 dns-udp-responses-sent-ipv6: 566731142 dns-tcp-responses-sent-ipv4: 194618238 dns-tcp-responses-sent-ipv6: 18305361