--- version: rssac002v4 service: d.root-servers.net start-period: 2021-02-04T00:00:00Z end-period: 2021-02-04T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6885752786 dns-udp-queries-received-ipv6: 1953727437 dns-tcp-queries-received-ipv4: 203849843 dns-tcp-queries-received-ipv6: 115495637 dns-udp-responses-sent-ipv4: 6885690794 dns-udp-responses-sent-ipv6: 1953663489 dns-tcp-responses-sent-ipv4: 203192893 dns-tcp-responses-sent-ipv6: 115427087