--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-01T00:00:00Z' end-period: '2018-06-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4731524536 dns-udp-queries-received-ipv6: 674860240 dns-tcp-queries-received-ipv4: 191943627 dns-tcp-queries-received-ipv6: 16013773 dns-udp-responses-sent-ipv4: 4732162181 dns-udp-responses-sent-ipv6: 674737025 dns-tcp-responses-sent-ipv4: 191919277 dns-tcp-responses-sent-ipv6: 16013304