--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-07T00:00:00Z' end-period: '2018-06-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4750568605 dns-udp-queries-received-ipv6: 681795674 dns-tcp-queries-received-ipv4: 207814697 dns-tcp-queries-received-ipv6: 16499254 dns-udp-responses-sent-ipv4: 4751277434 dns-udp-responses-sent-ipv6: 681702043 dns-tcp-responses-sent-ipv4: 207787202 dns-tcp-responses-sent-ipv6: 16498608