--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7801651497 dns-udp-queries-received-ipv6: 1682424156 dns-tcp-queries-received-ipv4: 512346637 dns-tcp-queries-received-ipv6: 239482741 dns-udp-responses-sent-ipv4: 7357001442 dns-udp-responses-sent-ipv6: 1481955486 dns-tcp-responses-sent-ipv4: 375742490 dns-tcp-responses-sent-ipv6: 141370060