--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-07T00:00:00Z' end-period: '2019-07-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7433722964 dns-udp-queries-received-ipv6: 1639638046 dns-tcp-queries-received-ipv4: 406335024 dns-tcp-queries-received-ipv6: 61877720 dns-udp-responses-sent-ipv4: 7433682482 dns-udp-responses-sent-ipv6: 1639017441 dns-tcp-responses-sent-ipv4: 406090710 dns-tcp-responses-sent-ipv6: 61836745