--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4603906793 dns-udp-queries-received-ipv6: 345512801 dns-tcp-queries-received-ipv4: 168270558 dns-tcp-queries-received-ipv6: 13770438 dns-udp-responses-sent-ipv4: 4501479261 dns-udp-responses-sent-ipv6: 343459134 dns-tcp-responses-sent-ipv4: 144940836 dns-tcp-responses-sent-ipv6: 13741893