--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5789869020 dns-udp-queries-received-ipv6: 623655699 dns-tcp-queries-received-ipv4: 295175330 dns-tcp-queries-received-ipv6: 20199010 dns-udp-responses-sent-ipv4: 5573987153 dns-udp-responses-sent-ipv6: 621374363 dns-tcp-responses-sent-ipv4: 226464830 dns-tcp-responses-sent-ipv6: 19884772