--- version: rssac002v4 service: d.root-servers.net start-period: 2021-03-30T00:00:00Z end-period: 2021-03-30T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6331586640 dns-udp-queries-received-ipv6: 2065973962 dns-tcp-queries-received-ipv4: 227454157 dns-tcp-queries-received-ipv6: 153922213 dns-udp-responses-sent-ipv4: 6331545981 dns-udp-responses-sent-ipv6: 2065932573 dns-tcp-responses-sent-ipv4: 227091893 dns-tcp-responses-sent-ipv6: 153842596