--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-18T00:00:00Z end-period: 2021-04-18T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 5263011034 dns-udp-queries-received-ipv6: 1555906839 dns-tcp-queries-received-ipv4: 196209634 dns-tcp-queries-received-ipv6: 94881258 dns-udp-responses-sent-ipv4: 5263020878 dns-udp-responses-sent-ipv6: 1555872462 dns-tcp-responses-sent-ipv4: 196148393 dns-tcp-responses-sent-ipv6: 94831878