--- version: rssac002v3 service: d.root-servers.net start-period: '2017-04-30T00:00:00Z' end-period: '2017-04-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3877212802 dns-udp-queries-received-ipv6: 614066573 dns-tcp-queries-received-ipv4: 66242794 dns-tcp-queries-received-ipv6: 8224056 dns-udp-responses-sent-ipv4: 3864009713 dns-udp-responses-sent-ipv6: 614018270 dns-tcp-responses-sent-ipv4: 66170405 dns-tcp-responses-sent-ipv6: 8222619