--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8726854732 dns-udp-queries-received-ipv6: 1143657852 dns-tcp-queries-received-ipv4: 750585447 dns-tcp-queries-received-ipv6: 106160128 dns-udp-responses-sent-ipv4: 7917860987 dns-udp-responses-sent-ipv6: 1115347162 dns-tcp-responses-sent-ipv4: 536116392 dns-tcp-responses-sent-ipv6: 93769725