--- version: rssac002v3 service: b.root-servers.net start-period: 2018-06-07T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2542895381 dns-udp-queries-received-ipv6: 202528107 dns-tcp-queries-received-ipv4: 81321712 dns-tcp-queries-received-ipv6: 6523792 dns-udp-responses-sent-ipv4: 2451111643 dns-udp-responses-sent-ipv6: 202495627 dns-tcp-responses-sent-ipv4: 81199507 dns-tcp-responses-sent-ipv6: 6528130