--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5399368196 dns-udp-queries-received-ipv6: 443074767 dns-tcp-queries-received-ipv4: 212578388 dns-tcp-queries-received-ipv6: 19324489 dns-udp-responses-sent-ipv4: 5275961793 dns-udp-responses-sent-ipv6: 439923862 dns-tcp-responses-sent-ipv4: 176622126 dns-tcp-responses-sent-ipv6: 19316319