--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-27T00:00:00Z' end-period: '2018-07-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4637808052 dns-udp-queries-received-ipv6: 667126200 dns-tcp-queries-received-ipv4: 170640914 dns-tcp-queries-received-ipv6: 19703574 dns-udp-responses-sent-ipv4: 4638431751 dns-udp-responses-sent-ipv6: 666886111 dns-tcp-responses-sent-ipv4: 170501077 dns-tcp-responses-sent-ipv6: 19700961