--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-04T00:00:00Z' end-period: '2018-04-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3873459474 dns-udp-queries-received-ipv6: 607679564 dns-tcp-queries-received-ipv4: 103902643 dns-tcp-queries-received-ipv6: 15176217 dns-udp-responses-sent-ipv4: 3873248608 dns-udp-responses-sent-ipv6: 607548864 dns-tcp-responses-sent-ipv4: 103854132 dns-tcp-responses-sent-ipv6: 15174340