--- version: rssac002v3 service: b.root-servers.net start-period: 2017-07-28T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2200491855 dns-udp-queries-received-ipv6: 357822976 dns-tcp-queries-received-ipv4: 71502109 dns-tcp-queries-received-ipv6: 10269942 dns-udp-responses-sent-ipv4: 2121414733 dns-udp-responses-sent-ipv6: 283412153 dns-tcp-responses-sent-ipv4: 71481575 dns-tcp-responses-sent-ipv6: 8658898