--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-03T00:00:00Z end-period: 2021-04-03T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 5421897036 dns-udp-queries-received-ipv6: 1624560272 dns-tcp-queries-received-ipv4: 191555406 dns-tcp-queries-received-ipv6: 105704975 dns-udp-responses-sent-ipv4: 5426122742 dns-udp-responses-sent-ipv6: 1624526460 dns-tcp-responses-sent-ipv4: 191455145 dns-tcp-responses-sent-ipv6: 105641395