--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-23T00:00:00Z' end-period: '2018-07-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4831365490 dns-udp-queries-received-ipv6: 686460826 dns-tcp-queries-received-ipv4: 180317470 dns-tcp-queries-received-ipv6: 19348589 dns-udp-responses-sent-ipv4: 4831408842 dns-udp-responses-sent-ipv6: 686197428 dns-tcp-responses-sent-ipv4: 180270599 dns-tcp-responses-sent-ipv6: 19344407