--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-18T00:00:00Z' end-period: '2019-07-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7995033994 dns-udp-queries-received-ipv6: 1849297386 dns-tcp-queries-received-ipv4: 424650652 dns-tcp-queries-received-ipv6: 69918989 dns-udp-responses-sent-ipv4: 7994987418 dns-udp-responses-sent-ipv6: 1848684623 dns-tcp-responses-sent-ipv4: 424401307 dns-tcp-responses-sent-ipv6: 68602219