--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-23T00:00:00Z' end-period: '2017-12-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4676808571 dns-udp-queries-received-ipv6: 524627854 dns-tcp-queries-received-ipv4: 87251038 dns-tcp-queries-received-ipv6: 11520826 dns-udp-responses-sent-ipv4: 4675931752 dns-udp-responses-sent-ipv6: 524441991 dns-tcp-responses-sent-ipv4: 87225312 dns-tcp-responses-sent-ipv6: 11519438