--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9135390559 dns-udp-queries-received-ipv6: 1187528928 dns-tcp-queries-received-ipv4: 754930732 dns-tcp-queries-received-ipv6: 105190654 dns-udp-responses-sent-ipv4: 8312399188 dns-udp-responses-sent-ipv6: 1157940207 dns-tcp-responses-sent-ipv4: 546093583 dns-tcp-responses-sent-ipv6: 93810526