--- version: rssac002v3 service: d.root-servers.net start-period: '2019-05-15T00:00:00Z' end-period: '2019-05-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7895578321 dns-udp-queries-received-ipv6: 1866788223 dns-tcp-queries-received-ipv4: 330524749 dns-tcp-queries-received-ipv6: 103585684 dns-udp-responses-sent-ipv4: 7895362412 dns-udp-responses-sent-ipv6: 1866669737 dns-tcp-responses-sent-ipv4: 330265383 dns-tcp-responses-sent-ipv6: 103549700