--- version: rssac002v3 service: b.root-servers.net start-period: 2018-05-12T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2606901552 dns-udp-queries-received-ipv6: 308641566 dns-tcp-queries-received-ipv4: 114757668 dns-tcp-queries-received-ipv6: 12759433 dns-udp-responses-sent-ipv4: 2528853717 dns-udp-responses-sent-ipv6: 308542282 dns-tcp-responses-sent-ipv4: 114589340 dns-tcp-responses-sent-ipv6: 12768888