--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-22T00:00:00Z' end-period: '2018-04-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3545184160 dns-udp-queries-received-ipv6: 573980238 dns-tcp-queries-received-ipv4: 91854291 dns-tcp-queries-received-ipv6: 13938333 dns-udp-responses-sent-ipv4: 3544794851 dns-udp-responses-sent-ipv6: 573908972 dns-tcp-responses-sent-ipv4: 91801349 dns-tcp-responses-sent-ipv6: 13936367