--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7560255294 dns-udp-queries-received-ipv6: 1381499192 dns-tcp-queries-received-ipv4: 404525133 dns-tcp-queries-received-ipv6: 120910243 dns-udp-responses-sent-ipv4: 7050413157 dns-udp-responses-sent-ipv6: 1292975616 dns-tcp-responses-sent-ipv4: 322462197 dns-tcp-responses-sent-ipv6: 78368292