--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9395486938 dns-udp-queries-received-ipv6: 1253699393 dns-tcp-queries-received-ipv4: 677360309 dns-tcp-queries-received-ipv6: 115390060 dns-udp-responses-sent-ipv4: 8692260920 dns-udp-responses-sent-ipv6: 1211098520 dns-tcp-responses-sent-ipv4: 513778073 dns-tcp-responses-sent-ipv6: 100233393