--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-22T00:00:00Z' end-period: '2018-07-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4371927474 dns-udp-queries-received-ipv6: 626378474 dns-tcp-queries-received-ipv4: 164798360 dns-tcp-queries-received-ipv6: 18564749 dns-udp-responses-sent-ipv4: 4371909459 dns-udp-responses-sent-ipv6: 626138582 dns-tcp-responses-sent-ipv4: 164784088 dns-tcp-responses-sent-ipv6: 18560917