--- version: rssac002v3 service: j.root-servers.net start-period: '2019-04-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7321877376 dns-udp-queries-received-ipv6: 1070601551 dns-tcp-queries-received-ipv4: 538479326 dns-tcp-queries-received-ipv6: 71274197 dns-udp-responses-sent-ipv4: 6842968728 dns-udp-responses-sent-ipv6: 1027059653 dns-tcp-responses-sent-ipv4: 401393786 dns-tcp-responses-sent-ipv6: 51869123