--- version: rssac002v3 service: b.root-servers.net start-period: 2018-03-23T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2296281908 dns-udp-queries-received-ipv6: 294669505 dns-tcp-queries-received-ipv4: 101735393 dns-tcp-queries-received-ipv6: 13162721 dns-udp-responses-sent-ipv4: 2212583614 dns-udp-responses-sent-ipv6: 294092346 dns-tcp-responses-sent-ipv4: 101695292 dns-tcp-responses-sent-ipv6: 13171611