--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8857091716 dns-udp-queries-received-ipv6: 1359202965 dns-tcp-queries-received-ipv4: 782679992 dns-tcp-queries-received-ipv6: 146348642 dns-udp-responses-sent-ipv4: 8038492113 dns-udp-responses-sent-ipv6: 1304361871 dns-tcp-responses-sent-ipv4: 530780579 dns-tcp-responses-sent-ipv6: 125606440