--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-04T00:00:00Z' end-period: '2018-06-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4855432646 dns-udp-queries-received-ipv6: 737155885 dns-tcp-queries-received-ipv4: 193570382 dns-tcp-queries-received-ipv6: 15974383 dns-udp-responses-sent-ipv4: 4856286544 dns-udp-responses-sent-ipv6: 737043490 dns-tcp-responses-sent-ipv4: 193537084 dns-tcp-responses-sent-ipv6: 15973788