--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6974575377 dns-udp-queries-received-ipv6: 1376006611 dns-tcp-queries-received-ipv4: 213095626 dns-tcp-queries-received-ipv6: 40015118 dns-udp-responses-sent-ipv4: 6712943756 dns-udp-responses-sent-ipv6: 1375440617 dns-tcp-responses-sent-ipv4: 208514896 dns-tcp-responses-sent-ipv6: 41020190