--- version: rssac002v3 service: d.root-servers.net start-period: '2019-08-20T00:00:00Z' end-period: '2019-08-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8226615518 dns-udp-queries-received-ipv6: 1693107353 dns-tcp-queries-received-ipv4: 487580655 dns-tcp-queries-received-ipv6: 86879621 dns-udp-responses-sent-ipv4: 8226587308 dns-udp-responses-sent-ipv6: 1692630712 dns-tcp-responses-sent-ipv4: 487091467 dns-tcp-responses-sent-ipv6: 86828810