--- version: rssac002v3 service: b.root-servers.net start-period: 2018-05-21T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2265825123 dns-udp-queries-received-ipv6: 213123343 dns-tcp-queries-received-ipv4: 93912670 dns-tcp-queries-received-ipv6: 8136862 dns-udp-responses-sent-ipv4: 2183901650 dns-udp-responses-sent-ipv6: 213088919 dns-tcp-responses-sent-ipv4: 93816358 dns-tcp-responses-sent-ipv6: 8141165