--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7592908489 dns-udp-queries-received-ipv6: 1258694095 dns-tcp-queries-received-ipv4: 688966506 dns-tcp-queries-received-ipv6: 75361101 dns-udp-responses-sent-ipv4: 6911871405 dns-udp-responses-sent-ipv6: 1214671114 dns-tcp-responses-sent-ipv4: 483954933 dns-tcp-responses-sent-ipv6: 55290625