--- version: rssac002v3 service: b.root-servers.net start-period: 2019-07-06T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 3465845444 dns-udp-queries-received-ipv6: 515399601 dns-tcp-queries-received-ipv4: 242630923 dns-tcp-queries-received-ipv6: 26328292 dns-udp-responses-sent-ipv4: 3211560098 dns-udp-responses-sent-ipv6: 515240612 dns-tcp-responses-sent-ipv4: 242602968 dns-tcp-responses-sent-ipv6: 26342387