--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-23T00:00:00Z' end-period: '2019-07-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7960691698 dns-udp-queries-received-ipv6: 1804816141 dns-tcp-queries-received-ipv4: 406037611 dns-tcp-queries-received-ipv6: 75073073 dns-udp-responses-sent-ipv4: 7960649159 dns-udp-responses-sent-ipv6: 1804238697 dns-tcp-responses-sent-ipv4: 405781447 dns-tcp-responses-sent-ipv6: 74934795