--- version: rssac002v3 service: d.root-servers.net start-period: '2017-04-15T00:00:00Z' end-period: '2017-04-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3978434026 dns-udp-queries-received-ipv6: 719859182 dns-tcp-queries-received-ipv4: 67023898 dns-tcp-queries-received-ipv6: 6884738 dns-udp-responses-sent-ipv4: 3970927793 dns-udp-responses-sent-ipv6: 719801586 dns-tcp-responses-sent-ipv4: 66832790 dns-tcp-responses-sent-ipv6: 6883156