--- version: rssac002v4 service: d.root-servers.net start-period: 2020-12-19T00:00:00Z end-period: 2020-12-19T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6464379867 dns-udp-queries-received-ipv6: 2005896080 dns-tcp-queries-received-ipv4: 211313540 dns-tcp-queries-received-ipv6: 80497095 dns-udp-responses-sent-ipv4: 6464334603 dns-udp-responses-sent-ipv6: 2005852647 dns-tcp-responses-sent-ipv4: 211279091 dns-tcp-responses-sent-ipv6: 80468170