--- version: rssac002v3 service: b.root-servers.net start-period: 2018-03-12T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2510328694 dns-udp-queries-received-ipv6: 322137554 dns-tcp-queries-received-ipv4: 94973979 dns-tcp-queries-received-ipv6: 11690805 dns-udp-responses-sent-ipv4: 2435479069 dns-udp-responses-sent-ipv6: 321573303 dns-tcp-responses-sent-ipv4: 94942840 dns-tcp-responses-sent-ipv6: 11699365