--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5671324223 dns-udp-queries-received-ipv6: 576100060 dns-tcp-queries-received-ipv4: 268492750 dns-tcp-queries-received-ipv6: 18883297 dns-udp-responses-sent-ipv4: 5467050924 dns-udp-responses-sent-ipv6: 571730579 dns-tcp-responses-sent-ipv4: 207745722 dns-tcp-responses-sent-ipv6: 18568101