--- version: rssac002v3 service: d.root-servers.net start-period: '2018-02-01T00:00:00Z' end-period: '2018-02-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3944507606 dns-udp-queries-received-ipv6: 607308806 dns-tcp-queries-received-ipv4: 85591280 dns-tcp-queries-received-ipv6: 14421014 dns-udp-responses-sent-ipv4: 3942665758 dns-udp-responses-sent-ipv6: 607143525 dns-tcp-responses-sent-ipv4: 85552923 dns-tcp-responses-sent-ipv6: 14419552