--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4500216028 dns-udp-queries-received-ipv6: 403970701 dns-tcp-queries-received-ipv4: 146844883 dns-tcp-queries-received-ipv6: 13785980 dns-udp-responses-sent-ipv4: 4409458264 dns-udp-responses-sent-ipv6: 402612935 dns-tcp-responses-sent-ipv4: 125548058 dns-tcp-responses-sent-ipv6: 13803497