--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-16T00:00:00Z end-period: 2021-04-16T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6026718152 dns-udp-queries-received-ipv6: 1837889283 dns-tcp-queries-received-ipv4: 207299863 dns-tcp-queries-received-ipv6: 100888650 dns-udp-responses-sent-ipv4: 6026187237 dns-udp-responses-sent-ipv6: 1837852501 dns-tcp-responses-sent-ipv4: 207232883 dns-tcp-responses-sent-ipv6: 100832975