--- version: rssac002v3 service: d.root-servers.net start-period: '2018-08-21T00:00:00Z' end-period: '2018-08-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4708921648 dns-udp-queries-received-ipv6: 683325565 dns-tcp-queries-received-ipv4: 184833519 dns-tcp-queries-received-ipv6: 25659146 dns-udp-responses-sent-ipv4: 4709607743 dns-udp-responses-sent-ipv6: 682991874 dns-tcp-responses-sent-ipv4: 184813598 dns-tcp-responses-sent-ipv6: 25643144