--- version: rssac002v3 service: b.root-servers.net start-period: 2017-12-13T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2708735740 dns-udp-queries-received-ipv6: 303313214 dns-tcp-queries-received-ipv4: 138762389 dns-tcp-queries-received-ipv6: 10997167 dns-udp-responses-sent-ipv4: 2589697513 dns-udp-responses-sent-ipv6: 303204528 dns-tcp-responses-sent-ipv4: 138663730 dns-tcp-responses-sent-ipv6: 11006447