--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-15T00:00:00Z' end-period: '2018-01-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3916084989 dns-udp-queries-received-ipv6: 560606002 dns-tcp-queries-received-ipv4: 82958011 dns-tcp-queries-received-ipv6: 12533215 dns-udp-responses-sent-ipv4: 3914404115 dns-udp-responses-sent-ipv6: 560387825 dns-tcp-responses-sent-ipv4: 82915664 dns-tcp-responses-sent-ipv6: 12528737