--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-19T00:00:00Z' end-period: '2018-07-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4753419363 dns-udp-queries-received-ipv6: 669868623 dns-tcp-queries-received-ipv4: 178957419 dns-tcp-queries-received-ipv6: 19339614 dns-udp-responses-sent-ipv4: 4753451930 dns-udp-responses-sent-ipv6: 669615928 dns-tcp-responses-sent-ipv4: 178918488 dns-tcp-responses-sent-ipv6: 19335818