--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5332684575 dns-udp-queries-received-ipv6: 550279146 dns-tcp-queries-received-ipv4: 248851423 dns-tcp-queries-received-ipv6: 21229125 dns-udp-responses-sent-ipv4: 5150742556 dns-udp-responses-sent-ipv6: 542902082 dns-tcp-responses-sent-ipv4: 200359626 dns-tcp-responses-sent-ipv6: 20083566