--- version: rssac002v3 service: b.root-servers.net start-period: 2018-06-10T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2152747008 dns-udp-queries-received-ipv6: 182543937 dns-tcp-queries-received-ipv4: 76086635 dns-tcp-queries-received-ipv6: 6527520 dns-udp-responses-sent-ipv4: 2070909037 dns-udp-responses-sent-ipv6: 182346649 dns-tcp-responses-sent-ipv4: 74940627 dns-tcp-responses-sent-ipv6: 6530947