--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3792424269 dns-udp-queries-received-ipv6: 443129106 dns-tcp-queries-received-ipv4: 173352836 dns-tcp-queries-received-ipv6: 11127513 dns-udp-responses-sent-ipv4: 3790536494 dns-udp-responses-sent-ipv6: 443097410 dns-tcp-responses-sent-ipv4: 173318234 dns-tcp-responses-sent-ipv6: 11232610