--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5041580673 dns-udp-queries-received-ipv6: 558100347 dns-tcp-queries-received-ipv4: 261522274 dns-tcp-queries-received-ipv6: 18367643 dns-udp-responses-sent-ipv4: 4867819755 dns-udp-responses-sent-ipv6: 551638010 dns-tcp-responses-sent-ipv4: 203630394 dns-tcp-responses-sent-ipv6: 18477845