--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5116276974 dns-udp-queries-received-ipv6: 338879730 dns-tcp-queries-received-ipv4: 189637359 dns-tcp-queries-received-ipv6: 14288357 dns-udp-responses-sent-ipv4: 4935879930 dns-udp-responses-sent-ipv6: 336015195 dns-tcp-responses-sent-ipv4: 149634052 dns-tcp-responses-sent-ipv6: 14284427